The poor everywhere also pay a sort of "noise tax": they rarely live in perfect silence.

此外，世界各地的穷人还要缴纳一种“噪音税”：他们很少居住在十分安静的地方。

youdao

Then, in perfect silence, he so embraced each of his officers as they filed by, and then they parted.

然后，在完全的沉默中，他逐一拥抱了离开的每一位军官，随后，他们便各奔前程。

youdao

While everyone else sleeps, waking at 5 a. m. is the perfect, way to begin the day in silence.

在凌晨5点，别人都还在睡觉的时候你已经起床，让你的一天从完美的静谧中开始，这种感受非常美妙。

youdao

It moves fast, but in perfect silence.

BBC: Qu��bec's wood runners

Perfect for the busy professional in the different environments of everyday life, the stylish Digital Silence DS-421D headset is designed specifically for mobile users and is expected to be available to purchase by Spring 2012.

ENGADGET: Wolfson ready Digital Silence noise-cancelling headphones for Spring 2012