第一段的段首句是讲电已经成为人们现代生活中必不可少的部分，因而接下来的续写部分应强调它的重要性。
Ever since early this century, electricity has become an essential part of our modern life. It has played a decisive role in the modern world.
汽车已成了我们生活中必不可少的一部分。
智能手机已经成为我们日常生活中必不可少的一部分。
Smart phones have become an essential part of our daily lives.
因此，朋友已成为生活中必不可少的一部分，这也是为什么若是朋友间充斥着猜疑、心痛和眼泪时，会伤害我们如此之深。
Hence, friends have become a fabric of our lives - which also explains why it hurts us so when a friendship is fraught with confusion, heartache and tears.
坚持去培训教室，让瑜伽成为你日常生活中必不可少的一部分。
Keep going to class, and create a consistent yoga practice that becomes part of your life.
下面介绍的一些小发明已经成为我们生活中必不可少的一部分，甚至没有人称其为“发明”。
We bring you some of the inventions which became an integral part of our lives and didn't even claimed the title of an invention.
工作是人们日常生活中必不可少的一部分。人们可以通过你的工作来评价你。
Working is an essential part in peoples' daily lives. People can judge you through your work.
我们以前讨论过一心多用是围绕工作和家庭生活的打拼中必不可少的一部分。但我最近了解到，真正的一心多用其实并不存在。
We have discussed before how multitasking is an integral part of the juggle. But, as I learned just recently, true multitasking is a myth.
《大昭寺前的信徒》每天都有许多信徒，在大昭寺前虔诚地礼拜，场景蔚为壮观，信仰是藏民生活中必不可少的一部分。
The believers in front of Dazhao temple: There are a lot of pious believers kowtowing in front of the Dazhao temple every day. Belief is an indispensable part of their lives.
而东方人已经意识到了家是他们整个生活中必不可少的一部分。
Orientals have understood that their homes are an integral part of their lives.
同时随着图像数字技术的成熟，利用图像技术对重要对象进行监控，已经逐渐成为现代生活中必不可少的一部分。
Meanwhile, with the development of image digital technology, surveillance on important targets using image technology has become an indispensable part of our society.
社会工程学是学黑客必不可少的一部分，其实在现实生活中也会经常利用到。
Social engineering is an essential part of the school hacker, in fact, will often use real life to.
社会工程学是学黑客必不可少的一部分，其实在现实生活中也会经常利用到。
Social engineering is an essential part of the school hacker, in fact, will often use real life to.
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