名詞 pro:

1. an athlete who plays for pay
   同義詞：professional
2. an argument in favor of a proposal

形容詞 pro:

1. in favor of (an action or proposal etc.)

副詞 pro:

1. favoring a proposition, opinion, etc.;
   同義詞：in favor of, in favor, in favour of, in favour

1. If production costs go up, there will be a pro rata increase in prices/prices will increase pro rata.
   若生產(chǎn)成本增加，則價(jià)格也要相應(yīng)提高。
2. Please accept the use of our cottage as a quid pro quo for lending us your car.
   請(qǐng)盡管使用我們的村舍，以酬謝借給我們汽車(chē)之事。
3. This arrangement will have to do pro tem.
   暫時(shí)只好這樣安排。
4. Much has been written on the subject pro and con.
   對(duì)那問(wèn)題已有很多贊成和反對(duì)的文章。

pro

n.（名詞）
【復(fù)數(shù)】 pros 縮寫(xiě) p.
An argument or a consideration in favor of something:
贊成的觀點(diǎn)，贊成票：贊成某事的論點(diǎn)或觀點(diǎn)：
例句：
weighing the pros and cons.
掂量贊成的論點(diǎn)和反對(duì)的論點(diǎn)

One who supports a proposal or takes the affirmative side in debate.
贊成者，投贊成票者：支持某項(xiàng)提議或在辯論中正方的人
adv.（副詞）
In favor; affirmatively:
贊成地；肯定地：
例句：
arguing pro and con.
正反面論證

adj.（形容詞）
Affirmative; supporting:
肯定的；支持的：
例句：
a pro vote.
贊成票

來(lái)源：
Middle English
中古英語(yǔ)
from Latin prô [for] * see per
源自 拉丁語(yǔ) prô [贊成] *參見(jiàn) per

pro
pro 2

n.（名詞）
【復(fù)數(shù)】 pros
A professional, especially in sports.
職業(yè)人員，尤指職業(yè)運(yùn)動(dòng)員
An expert in a field of endeavor.
專(zhuān)家：某一領(lǐng)域內(nèi)的專(zhuān)家
adj.（形容詞）
Professional:
職業(yè)的：
例句：
pro football.
職業(yè)足球運(yùn)動(dòng)