To make matters worse, Facebook is not responsive to inquiries about account lockout, and the company provides absolutely zero useful direction on how to rectify a complaint.

更糟的是，Facebook不提供帐户锁定查询服务，而且该公司针对如何响应投诉方面绝对毫无作为。

youdao

For motivation participants were simply told they would learn 'something useful' from the study, but that they were absolutely free to refuse if they wished.

被试被告知他们可以从中学到“一些有用的东西”，以此作为这样做的唯一动机。不过如果不愿意，他们完全可以拒绝这样做。

youdao

Not all the tools are essential; some are useful but not absolutely necessary and can be purchASed AS desired.

没必要配备所有的工具，有些工具有用但不是绝对需要，可根据需要购买工具。

youdao

Yes, absolutely true and very useful indeed to Google when it comes to showing ads.

FORBES: Does Google Have A Serious Problem With Android?

Treasury Chief Paul O'Neill now has a unique opportunity to do something truly useful, nay, absolutely necessary--overhaul the IMF.

FORBES: Fact and Comment

Again, the feature doesn't have much going for it in the proficiency department, but we can see it being useful when you've absolutely got to jot down a note -- or, you know, draw a coffee cup -- and breaking out the smartphone just won't do.

ENGADGET: Sony Reader PRS-T2 review: same old e-reader, new and (mostly) improved design