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?
New words：
advance [ədˈvæns]
adj.预先的；事先的
n.进展；进步；提高；预付款；前进
Sample Sentences：
Advances in science help all humanity. Advances in science benefit all humanity.
Please give us advance warning of any changes.
The heavy snow slowed down the advance of the rescue team.
He asked his boss for an advance on his salary to pay for his rent.
benefit [ˈbenəfɪt]
n.益处；优势；成效；福利费
v.对（某人）有用；使受益；得益于；得利于
humanity [hjuˈmænəti] n.人性；人类；人道；仁慈
salary [ˈsæləri]
n.薪水
v.付…薪水
New words：
advance [ədˈvæns]
v.提前；进步；前进；促进；预付；提出
Sample Sentences：
The general gave the order to advance.
He advanced a new idea at the meeting.
We are willing to advance the money to you.
We should study hard to advance our knowledge.
The date of the meeting has been advanced by one week.
New words：
throughout [θruːˈaʊt]
prep.遍及；各处；自始至终；贯穿整个时期
adv.全部；自始至终；到处；彻头彻尾
Sample Sentences：
She was in advance throughout the race.
The house was painted white throughout.
They export their products to markets throughout the world.
Many people throughout history have dreamt of a world without war.
advance [ədˈvæns]
n.进展；进步；提高；预付款
v.提前；进步；促进；预付
adj.先遣队；预先的；事先的；先头部队
export [ˈekˌspɔrt] v.出口