effective 和 efficient 的区别？

cunshangUID: 2870350

绿皮填空 Exercise 27 第二题。although the discovery of antibiotics led to great advances in clinical practice, it did not represent a panacea for bacterial illness, for there are some bacteria that cannot be ___ treated with antibiotics.

有两个选项分别是effectively 和 efficiently

laocun2010UID: 3170213

effective 有效
efficient 高效

cunshangUID: 2870350

2# laocun2010
恩恩！