If-needed function
[计] 如果需要求值功能
🧩 词语组成解析
if
[if]
conj. 如果，倘若;即使;〈口〉是否;假设;
n. 条件，设想;
a. 需要的
🗣️ 情景例句
I didn't have that when Richard and Susan were born.
在Richard和Susan出生时我可没有人帮忙。
I hope you agree with me.
我希望你同意我。
That's right. I'm travelling round the country.
对。我在周游全国各地。