State selection
[化] 选态
🧩 词语组成解析
🗣️ 情景例句
Let's congratulate ourselves that this transaction has been made.
让我们祝贺这次交易圆满成功。
It is the first step that costs.
万事开头难。
Don't touch anything unless your teacher tells you to.
除非老师允许，否则你不要动任何东西。