经济学人下载:感染病毒时进食 感染细菌时禁食

例句:Production of the foie gras p â t é involves force-feeding geese and ducks so that their livers swell.
鹅肝酱的制作需要给鹅和鸭子强行喂食，以使它们的肝胀大起来。

2.viral infections 病毒感染
例句:Warm lemon water is the most effective way to diminish viral infections and their subsequent sore throats.
温柠檬水对降低病毒性感染和随后的喉咙疼都是非常有效的。

3.cut back 削减；减弱

例句:The Government has cut back on defence spending.
政府已经削减了国防开支。

4.make no difference to 对...无影响

例句:Wehther he is here or not will make no difference to our work.
他在不在对我们的工作没有影响。