a school of fish是什么意思

a school of fish是什么意思

a school of fish                                             
 一群（小）鱼。
很多,等于 a lot of
例句：
a cup of coffee
a jar of jam
a piece of news
a tube of toothpate
a piece/sheet of paper
a piece/slice of bread
a piece/bit of advice
a bottle/glass of water
a pack of wolves
a pair of shoes
a flock of birds/chickens
a group of people
a circle of friends
a swarm of ants
a collection of coins
a crew of sailors
a fieet of ships
a school of whales
a gang of hooligans
a string of pearls
a herd of cattle/elephants

一群鱼。
school 有学校，学院的意思。 还有群，但只能说一群鱼。一群羊啊什么的不能用school

1. 一群鱼
例句:
1.
Why do investors so often seem to resemble a school of fish, allchanging direction together?
投资者为什么如此经常地表现得像一群鱼一样，全都一窝蜂地改变方向？