The operating rule and time calculation of the two-speed trolley conveyer, and the design of operating program of single trolley, single hook conveyer are discussed. A newer t…

本文讨论了双速行车的运行规律和时间计算，及单车单钩型行车的运行程序设计，提出了比较新的论点。

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I don't know what this tells us about David and Nina, but don't let them off the hook quite yet.

从大卫和妮娜的协调中得不出什么结论,这事儿还没结束呢

耶鲁公开课 - 博弈论课程节选

And iPod users aren't off the hook either: when playing tracks protected by Apple's FairPlay DRM, CNET found that iPod battery life declined by 8%.

ENGADGET: Is DRM sucking the life out of your MP3 player?

Warning: While custodians for self-directed IRAs do sponsor seminars featuring promoters, they're not allowed to recommend specific investments and aren't on the hook if you pick a bad or bogus one.

FORBES: Magazine Article

The little chaps don't get off the hook entirely though.

ENGADGET: Alt-week 27.10.12: ancient texts, super-Earths and special-ops mice