重点讲解：
1. suffer from
（因疾病或处于其他不利境地而）受苦，受难，受折磨；
eg. Most of the important cities of the world suffer from traffic jam.
世界上大多数大城市都交通堵塞为患q@~D!3;fs1jzgFub5e0f。
eg. All sector of the economy suffer from the fall in the exchange rate.
所有经济部门都遭受到这次汇率下跌带来的损失38qM&RbGnvg]p。
2. be based on
以…为基础；
eg. A good marriage is based on trust.
美满的婚姻是建立在互相信任的基础上的#ojex-,Ks%pVT6。
eg. Judgment should be based on facts, not on hearsay.
判断应该以事实为依据，而不应该依靠道听途说*)f7xqHWla9。
3. well-being
健康；安乐；康乐；
eg. His work emphasised the emotional as well as the physical well-being of children.
他的工作不仅重视孩子们的身体健康，同时也关注他们的情感健康(s47A3Cw(lIeqSd6。
eg. Mental health is essential to overall health and well-being.
心理健康对于整体健康和幸福极其重要u8@+47E9[%Jjt4VG。
4. remain to be seen
需拭目以待；未见分晓；
eg. It remains to be seen whether they can talk him over.
他们能否说服他还有待观察.Tk,9p(xxd6;YS。
eg. It remains to be seen whether he can turn over a new page.
他是否能改过自新还不好说%N%hqtGR~wP2Z%y5。