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
and I do mean welcome home.
我真心欢迎你们回来。
Beggars must be no choosers.
饥不择食。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜，穿着旧衣裳，特别小心以防别人认出他们。