effective
adj
1
(a) having an effect; producing the intended result 有效的; 产生预期结果的
effective measures to reduce unemployment 减少失业的有效措施
The law is no longer effective. 该法令已失效.
(b) making a striking impression 产生深刻印象的
a very effective colour scheme 非常醒目的色调
an effective speech 精彩的演说.
2 [attrib 作定语]
(a) actual or existing 实际的; 实在的; 现有的
the effective membership of a society 现有的全体会员.
(b) fit for service or work 适於承担任务或工作的
the effective strength of the army 军队的战斗力.
You can catch the ten-twenty train to Grand Central Station.
你能赶上开往Grand Central Station的十点二十分班车。
We are thinking of placing an order for your Flying Pigeon Brand bicycles. We would be very grateful if you could make us an offer for 200 ones with details.