she is behaving in the same way ()her sister used to D

she is behaving in the same way ()her sister used to D
Bin which
Clike
Das
我觉得in which 就是in the way 没什么错啊

ehave行为
used to 过去常常
分句的意思是,她妹妹过去常常（做的那样）
主句是,她以同样的方式处世.什么样的方式呢,正如她妹妹过去常常处世的方式.所以这句话的意思是,她处世的方式正如她妹妹一样.
she is behaving in the same way as her sister used to.
she is behaving in the same way in which her sister used to do.
区分一下吧