in a way,in the way,in some way,in this way,by the way的区别,附上例句.

in a way（=in one way）,在某种程度上,从某种意义上来说
e.g.1) In a way he is right.
2)In a way I agree with your estimate of the situation.
in the way 对…方式
Can you tell us what the main differences are in the way people the world communicate 你能告诉我们全世界人们交流时的方式有什么主要的不同点吗?
in some way 在某方面,在某种程度（意义）上,以某种方式
in some ways 在某些方面,在某种程度（意义）上,以某种方式
这两个词组意思基本上是一样的.
e.g.1) He is a clever man in some way.
2) In some ways this job is quite difficult -- in other ways it's simple.
in this way这样；用这种方法
e.g And in this way ,these women enacted a lot of transformation ,beautiful transformation .通过这种方式,这些女人转变了许多,这是一种美丽的转变.
by the way 顺便说说,顺便问一下；在途中
By the way ,what is your next goal 顺便问一下,你的下一个目标是什么?