重点讲解：
1. according to 据…所说；按…所载；
例句：According to an article in The Economist the drug could have side effects.
《经济学家》杂志上的一篇文章讲到这种药可能有副作用.m^#7!.j%N;s8Zdi8&。
2. be different from 有差别的；不同的；
例句：The worker of today is different from the worker of yesterday.
如今的工人和以往的不同了^vu1;,j7~thw1kvV4。
3. allow sb. to do sth. 允许；容许；准许；
例句：The compromise will allow him to continue his free market reforms.
妥协将使他得以继续他的自由市场改革-P%ALUkj-o3。
4. head on 正面的，直接的；
例句：Once again, I chose to confront the issue head-on.
我又一次选择了直接面对该问题[LYKWwr1SGlu#。