It is a trading post and it's there by permission of and under the protection of the King of Egypt, and that's because he wants--it's handy for him to have a merchant settlement of Greeks for him to do business with.

这里是个通商驿站,而且获得了,埃及法老的许可和庇护,因为他认为,与希腊商人通商交易,为他提供了一些便利

耶鲁公开课 - 古希腊历史简介课程节选

They're actually... Our Environmental Protection Agency which is under the executive branch

他们事实上……我们的环境保护署是属于行政部门的，

全球变暖与国力 - SpeakingMax英语口语达人