??? 情景例句
but, unfortunately,
但是， 很不幸，
My brother wants to learn how to drive a car.
我的兄弟要去學駕駛。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大約每月一次。不太經常寫信，因為我倆的時間都很緊。我們都有做不完的事。