重点讲解:
1. account for (数量或比例上)占;
Together they account for less than five per cent of the population.
他们总共占不到总人口的5% 。
2. be made up of 组成;构成;
Common salt is made up of 40% sodium and 60% chloride.
食盐由40%的钠和60%的氯化物构成 。
3. on balance 权衡之后;全面考虑之后;总的来说;
On balance he agreed with Christine.
总的来说,他同意克里斯蒂娜的意见 。
4. get rid of 摆脱;去除;消除;
You can't simply wave a wand and get rid of nuclear weapons.
你们不要以为魔杖一挥便能消除核武器 。
v. 反映,反射,归咎