pro

英[prəu]美[prəu]

n.[pl.]
【非正式】从事某职业的人，职业运动员，职业选手，老手
adj.
【美】职业的，专业的

同：	[r.] in favor, in favor of, in favour, in favour of [n.] professional
反：	[r.] con, in opposition [n.] amateur, con [a.] anti

They argued the matter pro and con.
他们对此事正反两面地争论着。收藏
These limits are designed to pro-vide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
这些限定的目的是为在商业环境中使用该设备的产生的不良干扰提供合理的防护。收藏
Pro and con; advantages and disadvantages;for and against
赞成与反对;正反两面收藏
To weigh the pro and cons
揣情度理收藏
Five (5) copies of pro forma invoice covering the total amount of the initial fee
金额为入门费总价的形式发票一式五份收藏