Some people use the Internet to kill time while others use it for self-improvement.

有些人使用互联网来消磨时间，而有些人则用它来进行自我提升。

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Some people feel that high school students benefit from participating in organized sports, while others feel that sports is a waste of time.

一些人认为中学生参加有组织的体育活动是有益的，而另一些人则认为体育活动是浪费时间。

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Some spacecraft may have problems while in space after a certain amount of time.

一些宇宙飞船在太空中停留一段时间后可能会出现问题。

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She explained to fans on Twitter that she'd hurt herself while performing some time ago.

WSJ: Lady Gaga cancels rest of tour due to injured hip

Sean McGuire, who shared a barracks with Keyes, says they developed a camaraderie while spending some time together during grueling training in Egypt.

WSJ: Trying to unlock secrets of dead serial killer

His accountant filed for an extension while they took some time to figure out the next steps.

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