Science and technology科学和技术
Online classes网课
online shopping 网上购物
use smartphones /computers/ Wechat
使用智能手机、电脑、微信
As science and technology develops rapidly, … brings much convenience to our daily life.
随着科技的迅速发展，… 给我们的日常生活带来了很多便利。
It is a very useful tool and provides a platform(平台) to learn knowledge/communicate with others.
它是一个有用的工具，提供了学习知识/与人交流的平台。
As the saying goes, Every coin has two sides . It brings us not only advantages and disadvantages. 正如谚语所说， 每个 硬币都有两面。它既能给我们带来好处也能带来缺点。
We’ll get more benefits from it if all of us can make proper use of it.
如果我们恰当使用它， 我们会从中得到更多好处。
It will be harmful to their vision and necks if students take online classes for a long time at a time.
如果学生一次上网课太长时间，这对他们的视力和颈椎有害。
…will have a negative effect on students’ study if they spend too much time and energy using it. 如果学生花费太多时间和精力使用它，…会对他们的学习产生消极的影响。
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