如果你愿意夜间飞行，你可以买到便宜得多的机票。

If you ___are ___willing to fly at night, you can get a much cheaper ticket.

你说你需要一个志愿者——嗯，我愿意。

You said you needed a volunteer - well, I ___am ___willing.

显然约翰和加布里埃尔愿意让我们用他们的花园。

Apparently John and Gabriel ___are ___willing for us to use their garden.