天上不会掉馅饼 (天上不會掉餡餅) tiānshàng bù huì diào xiànbǐng
tiānshàng bù huì diào xiànbǐng
phrase
there is no such thing as a free lunch
Domain: Idiom 成语
Notes: (CC-CEDICT '天上不會掉餡餅')