Definition: to be happy to do something if it is needed Level: B1
如果你愿意夜间飞行，就能买到便宜得多的机票。
If you___'re ___willing ___to fly at night, you can get a much cheaper ticket.
你愿意去那家餐馆找我的手表吗？
Would you ___be ___willing ___to go to the restaurant and find my watch?
如果需要，我愿意帮忙。
I___'m ___willing ___to help if needed.
