艺术可以用作宣传的工具。
它消耗掉了原本可以用作投资的大量资本。
It absorbed vast amounts of capital that could have been used for investment.
数据库可以用作大学里的一种教学辅助手段。
The database could be used as a teaching resource in colleges.
It can be used as a publishing medium and something that you can interact with, instead of something that is a burden to receive.
它可以用作一个发行媒介,成为你可以与之互动的东西,而不再是一个负担。
You can also turn this on its face a little bit and use this to ask a question.
你也可以对这个句型稍微做一下变形,用作疑问句。
Second thing we saw is, that using this as a computation, I can return multiple values.
我们看到的第二件事是把它用作计算,我可以返回多个值。
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