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你大概想表达的意思：
几年前，我留意自己的行为，发现我一整天都在玩各种电子屏幕，尤其是我的手机，每天要玩很久。
除了浪费了很多时间，更严重的是，我们的大脑一直受了高度兴奋的刺激。
在当今的数字时代，我们每时每刻都不断受到各种信息和干扰的冲击，学会集中注意力不仅仅是一种奢望，而是一种绝对的必要。
不会组织语言的人说的：
A few years ago, I have found that I played with different screens all the day. My phone was my favorite. I spent many hours on it every day.
This is not only a waste of time, but also made my brain feel too excited after watching short videos and messages.
In this digital time, too many information effect us every moment. So learning how to focus on something is very hard and necessary.
这篇TED的句子有点难，我基于上面优化了一下，难度适中的表达：
A few years ago, I noticed that I was constantly engaged with various screens throughout the day. My phone, in particular, occupied a significant amount of my time, and I would spend hours using it daily.
was constantly engaged with：“不断地与…… 打交道；持续使用”，这里指持续和各种屏幕接触 。engage 的意思是从事于、忙于、参加等，很常用，要学会来
Not only did this habit waste a great deal of my time, but it also over-stimulated my brain, especially after watching numerous short videos and reading countless messages.
over - stimulated：/ˌəʊvə(r) ˈstɪmjəleɪtɪd/，“过度刺激”，是由前缀 “over -”（表示过度）和 “stimulated”（刺激的过去式和过去分词）组成的合成词 。
In this digital era, an overwhelming amount of information bombards us at every moment. Therefore, learning to concentrate has become both extremely challenging and absolutely essential.
bombards：/ˈbɒmbɑːdz/，动词，原意为 “轰炸”，这里引申为 “大量涌向；不断冲击” 。
extremely challenging 极其具有挑战性的
absolutely essential 绝对必要的，“absolutely” 加强语气
超强组织语言
A few years ago, I began to notice something in my own behavior that made me a bit uneasy. That was, from the moment I woke up in the morning until the end of the day, my life was dominated by a series of screens. Especially my mobile phone, which I spent a long time on every day.
几年前，我开始留意到自己的一些行为，这让我有点不安。那就是，从我早上醒来的那一刻起，一直到一天结束，我的生活都被一连串的屏幕所主宰。尤其是我的手机，我每天都要花很长时间在上面。
was dominated by： /wəz ˈdɒmɪneɪtɪd baɪ/，意为 “被…… 主宰；被…… 控制” ，这里表示生活被屏幕主宰，突出屏幕在生活中的主导地位。
a series of： /ə ˈsɪəriːz ɒv/，意思是 “一连串的；一系列的”，用于描述多个类似事物的组合。
What's more, apart from wasting a great deal of time, this keeps us in a state of hyper - stimulation all the time, constantly switching back and forth among a bunch of different attention - grabbing objects that are extremely stimulating to our brains.
除了浪费了很多时间外，更为严重的是，这使我们一直处于一种高度兴奋的状态，不断在一堆对我们大脑极具刺激性的、不同的吸引注意力的事物之间来回切换。。
keeps us in a state of： /kiːps ʌs ɪn ə steɪt ɒv/，“使我们处于…… 的状态” ，表明一种持续的状态。
hyper - stimulation： /ˌhaɪpə(r) ˌstɪmjəˈleɪʃn/，合成词，“高度兴奋；过度刺激” ，形容人处于一种受到强烈刺激的状态。
switching back and forth： /ˈswɪtʃɪŋ bæk ənd fɔːθ/，“来回切换；反复转换” ，描述在不同事物之间频繁转换的动作。
a bunch of： /ə bʌntʃ ɒv/，“一堆；一群；一束” ，用于表示数量较多的事物集合。
attention - grabbing objects： /əˈtenʃn ˈɡræbɪŋ ˈɒbdʒɪkts/，“吸引注意力的事物” ，“attention - grabbing” 是合成形容词，表示吸引注意力的 。
stimulating： /ˈstɪmjəleɪtɪŋ/，形容词，“刺激性的；起激励作用的” ，这里指对大脑有刺激作用。
In today's digital era, where we are constantly bombarded with information and distractions at every moment, learning to focus is not merely a luxury but an absolute necessity.
在当今的数字时代，我们每时每刻都不断受到各种信息和干扰的冲击，学会集中注意力不仅仅是一种奢望，而是一种绝对的必要。
bombarded with： /ˈbɒmbɑːdɪd wɪð/，“受到…… 的大量冲击；被…… 连续攻击” ，形象地描述了在数字时代信息和干扰源源不断的状态。
information and distractions： /ˌɪnfəˈmeɪʃn ənd dɪˈstrækʃnz/，“信息和干扰” ，“information” 是信息，“distractions” 表示使人分心的事物。