You don't have to start from scratch when you begin learning online.
当你开始在网上学习的时候并不需要从头开始。
Since time is the most important commodity we have, learning online helps us win back more time.
因为时间是我们最重要的商品，网络学习可以帮助我们赢回更多的时间。
While there are endless benefits to learning online, the top three are: convenience, productivity, and quality.
在线学习有很多的好处，最主要的三个优势是：方便、有效率和高学习质量。
Learning online should make use of a number of Internet tools: E-mail lets you exchange letters between continents very cheaply and almost immediately.
要想通过网络进行学习的话，必须得利用好许多网上的工具：你可以用电子邮件与别的大洲的人传递信件，这非常便宜并且几乎是同步完成的。
Learning online should make use of a number of Internet tools: E-mail lets you exchange letters between continents very cheaply and almost immediately.
要想通过网络进行学习的话，必须得利用好许多网上的工具：你可以用电子邮件与别的大洲的人传递信件，这非常便宜并且几乎是同步完成的。
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