Erich Gamma: You can't do this mix and match of strategy objects.

ErichGamma：你就不能把这些嵌在一起并匹配这些策略对象。

youdao

Erich Gamma: You can't do this mix and match of strategy objects.

ErichGamma：你就不能把这些嵌在一起并匹配这些策略对象。

youdao