Deveolp
[机] 展开, 发展
🗣️ 情景例句
What kind of advice are you looking for?
希望能得到什么建议？
He that would eat the fruit must climb the tree.
不劳无获。
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-