New words：
export [ˈekˌspɔrt]
n.出口；输出
v.出口；输出
Sample Sentences：
The islands export sugar and fruit.
90% of the engines are exported to Europe.Exports have already overtaken last year's figure.
A lot of our land is used to grow crops for export.
figure /ˈfɪɡjər/ n. 图形；数字
New words：
salary [ˈsæləri] n. 薪水
Sample Sentences：
She's on a salary of $24,000.
They get a salary of $21,000 a year.
She asked for an advance on her salary.
My salary is paid directly into my bank.
New words：
humanity [hjuˈmænəti] n.人性；人类；人道；仁慈
Sample Sentences：
We should treat animals with humanity.
We want a peaceful environment for all humanity.
The judge was praised for his courage and humanity.
New words：
benefit [ˈbenəfɪt]
n.利益；益处；优势；成效；福利费
v.对（某人）有用；使受益；得益于；得利于
Sample Sentences：
It will be to your benefit to arrive early.
You must weigh the benefits against the cost.
He couldn't see the benefit of arguing any longer.
We should spend the money on something that will benefit everyone.
New words：
in advance 在…前；预先；事先；（发展上）超前
Sample Sentences：
He is far in advance of his class.
It's cheaper if you book the tickets in advance.
Could you tell me in advance how much the dinner will cost?