excess luggage 是什么意思

	1.	You have to pay for excess luggage on a plane 在飞机上你得付超重的行李费。
	2.	Passengers can save a huge amount of expense by shipping excess luggage using the unaccompanied baggage service 旅客只需把超额行李经后寄行李服务寄运，送往指定的主要国际机场，即可节省大量金钱。

excess luggage是什么意思