find out高级表达
高级表达是discover，例如： 1.Wind forward to the bit where they discover the body.往前绕片，绕到他们发现尸体的那一截。 2.They soon discovered a mutual interest in music.他们很快发现对音乐有着共同的兴趣。 3.We may never discover what took place that night.我们可能永远不会知道那一夜发生了什么事。 find和find...