ersatz/ˈer.zɑːts/形容词(通常指因为某物过于昂贵或稀有而以其他事物)代用的I'm allowed to eat ersatz chocolate made from carob beans, but it's a poor substitute for the real thing.他们允许我吃用角豆做的巧克力替代品,不过这种以假代真的东西太蹩脚了。想跟读,去练习