做商品讲时,goods是表示商品的集合,是个集合名词,单复数同形,可以做单数名词,也可以做复数名词,做复数名词时,后面不用再加s；
good
adj. 好的;优质的;符合标准的;可接受的;令人愉快的;
n. 合乎道德的行为;正直的行为;善行;有道德的人;高尚的人;好人;用处;好处;益处；
adv. 好
It wasn't so good as last time.
这次不如上次好。
A change of job would do you the world of good.
换一下工作会对你大有好处。
There wasn't much traffic so we made good progress.
来往车辆不多，所以我们开得很快。
The team put on a good show in the competition.
这支队伍在比赛中有上佳表现。
There have been some problems but basically it's a good system.
虽然出现过一些问题，但这基本上仍不失为一个好系统。
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