Under the program launched in March, governments with sound economic policies can secure an immediate IMF loan in case of a threat to their financial system.

VOA: standard.2009.04.22

So, we have the sound system of a language, the phonology.

语言拥有声音系统,也就是语音

耶鲁公开课 - 心理学导论课程节选

The U.S. was practically the last country to copy this system because, in the 1930s, because it didn't sound American.

美国几乎算是最后一个效仿此体系的国家,因为在上世纪三十年代。

耶鲁公开课 - 金融市场课程节选

An automobile approaching with a souped-up audio system in it, and what sound do you hear at the very first?

一辆大声开着音响的汽车开来,最初,你会听到什么声音

耶鲁公开课 - 聆听音乐课程节选