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
Are they always that difficult to make?
领结这样难打吗？
He who would catch fish mush not mind getting wet.
欲擒龙王，就得下海。
The trickle became a stream; the stream has now become a torrent.
涓涓细流汇成小溪，小溪现已变成了奔腾的江河。