method of /for doing 的区别

method of：集体标志法；引张线法
例句：
Message - A method of communication between processes.
消息?一种进程间通讯的方式.
Promote the good method of eyesight inside two months?
有没有在两个月内提升视力的好方法?
for doing ：用……做某事；用某物做某事；用某物来做某事
例句：
1.who has