Problem determination
[计] 问题决定, 问题判定
🧩 词语组成解析
🗣️ 情景例句
Good-bye, Richard, and good luck. See you in two weeks.
再见， Richard， 祝你好运。两周后见。
Those men aren't students,either.
那些人也不是学生。
There are some boats on the river.
河上有几艘船。