lack 和 lack of的区别?
lack 有名词和动词两种词性，做动词时，是及物的；做名词时常和of连用He lacks courage. 不可以说成是 He is lake of courage，但可说成He is in lake of courage
前者是动词 后者是名词 he lacks money. he has a lack of money. lack作动词还可以用be lacking in句型
lack 有名词和动词两种词性，做动词时，是及物的；做名词时常和of连用He lacks courage. 不可以说成是 He is lake of courage，但可说成He is in lake of courage
前者是动词 后者是名词 he lacks money. he has a lack of money. lack作动词还可以用be lacking in句型