If you're willing to fly at night, you can get a much cheaper ticket. 如果你愿意夜里乘飞机，就能买到更便宜的机票。
You said you needed a volunteer - well, I'm willing. 你说过你需要一名志愿者——我愿意。
Apparently John and Gabriel are willing for us to use their barbecue. 很显然，约翰和加布里埃尔愿意让我们使用他们的烧烤架。