重点讲解：
1. go back 追溯到；回溯到；
Our association with him goes back four years.
我们同他的合作是从4年前开始的X]6CP5cOoLMU]c;CuP。
2. die of 死于；
Millions could die of hunger as an indirect result of the war.
作为战争的间接后果，数百万人可能会死于饥饿mL1wwO_y74,&![]kF|w0。
3. allow sb. to do sth. 允许；容许；准许；
The Government will allow them to advertise on radio and television.
政府将准许他们在广播和电视上做广告,V-[(_tjHmG0。
4. think of sb./sth. as 认为，以为(人或物具有某特点或用途) ；
We all thought of him as a father.
我们都视他为父亲_F]^+;(_#Q@V。