If well used, books are the best of all things; if abused, among the worst.

如果利用得当，书籍就是最好的朋友；反之，如果滥用，它就会变成最坏的东西了。

youdao

Commodity display is an essential technique in supermarket management, which will improve the sale if well used.

商品陈列是超级市场销售的基本技术之一，如果运用得好会大大地提高销售量。

youdao

So there you have it - a small collection of social techniques, powerful and subtle if used well.

所以你应该懂了—这些小技巧，如果用的好的话是非常强大而微妙的。

youdao

Manber and her colleagues wanted to find out if the technique could be used to ease depression during pregnancy as well.

VOA: standard.2010.03.03

For much of that time he used his power well, even if he did not share it.

CNN: COVER STORY - SPECIAL REPORT

And what if that filtering scheme could be used on other platforms as well?

FORBES: How Facebook's Empire Of Opacity Is Hiding Posts You Want To See

This sets the stage for overpaying for college because while you may have an introductory rate of 0%, that will quickly come to an end, and you may well end up spending a lot more than if you had used other options like student loans, Pell grants or TAP.

FORBES: Student Credit Cards: The Good, The Bad and The Ugly