This sleek design allows single sounds to convey useful information, and in fact, even the absence of a sound has been enlisted to express something specific.

这种圆滑的设计使单一的声音也能传达有用的信息，事实上，即使没有声音也会被用来表达一些特定的含义。

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She had woken me out of a sound sleep.

她把我从酣睡中叫醒了。

《柯林斯英汉双解大词典》

For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind.

因为神赐给我们，不是胆怯的心，乃是刚强，仁爱，谨守的心。

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For example, read copies of a group's financial records and be careful of groups with names that sound like well-known charities.

VOA: special.2009.11.02

And this is going to sound like a weird topic, we're going to see why it's of value in a second.

这听起来像个怪异的主题，我们将会去学习一刹那。

麻省理工公开课 - 计算机科学及编程导论课程节选

And now, if I'm touching mouse pointer, we saw that Boolean expression before, play sound meow, wait a couple of seconds, and then just keep checking.

现在，如果我们碰下鼠标指针，起初我们看到一个布尔表达式，播放猫叫的声音，等几秒钟，然后如刚才那样做检测。

哈佛公开课 - 计算机科学课程节选

One of the cornerstones of a sound financial life is an emergency fund.

FORBES: How To Build Your Emergency Fund

Was I under an illusion to think that that was the basis of a sound marriage?

NEWYORKER: Wakefield

Payton's last major recording, Sonic Trance, sounded like an artist unmoored, set adrift in search of a sound.

NPR: Nicholas Payton: A Different Kind of Blue