lack sth 与lack for sth 的区别

lack sth 与lack for sth 的区别 lack of 和lack for 的区别? 请问lack,lack for,be lacking for有什么区别? 4.This item was not explained __ time.A. for lack B. lack C. for lack of D. lack of Lack anything,lack of lack与absence用法区别 lack,lack in,lack for 的用法区别,三个都是动词, lack与lack of是怎么用的 lack与lack of是怎么用的 lack相关短语的区别,be lack of,be lacking in ,lack sth,a lack of sth,等等并造句,如果还有其他相关短语,也请列出, good lack for you 是什么 意思 lack of sth 和 a lack of 的区别最好用例句说明一下 lack of lack of lack of lack用法 lack的用法请问a lack of、be lacking in和lack for用法上有什么区别? lack的用法与搭配求详解