Monatomicity
單原子性
??? 情景例句
He never speaks unless he is spoken to.
除非別人先對他開口，他從不先開口。
There is a time to speak and a time to be silent.
該說話時說話，該沈默時沈默。
What about you? Where do you live?
你呢？你住在哪兒呢？