collaborate

协作，合作

句式：collaborate with sb in doing sth。

【例】Our company is collaborating with Peking University in designing a new computer.

我公司与北京大学合作设计一种新的电脑。

collaboration

合作，配合

【例】This initial business has been concluded smoothly and successfully with your close collaboration.

由于你方密切配合，你我之间的首次交易进行得顺利而富有成效。

collapse

崩溃，（商号）倒闭

【例】The international banking system collapsed in the Great Depression of the 1930s.

在20世纪30年代大萧条中国际银行体系崩溃了。