🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
Get out!
出去！
Nothing comes out of the sack but what was in it.
无风不起浪。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-