Valib
n. 有效
🗣️ 情景例句
Consider the cost before you decide.
你决定前要先考虑费用问题。
That brings us to the question of price. What do you have in mind?
那使我们想起价钱问题，你心目中的价钱是多少？
How many different models of this do you offer?
这个你们有多少种不同的型式。