He says a primary function of the home is to give migrants a safe place to sleep and something to eat as well as to provide them with information about the dangerous journey ahead.

VOA: standard.2009.09.01

Well, up until probably ten years ago, this was the primary propellant in just about every kind of spray thing that we had, hairspray, everything.

好吧，直到大概十年前，作为主要推进剂,存在于我们的每一个喷射器里，发胶，以及一切。

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