through与by的区别
问题描述：
through与by的区别
Tom's forgiveness went a long way in helping my family ____ that difficult time.
请仔细讲一下 by 与through 的区别 然后填空
答
through是从物体的上方通过
by 是从物体的旁边通过
还有cross是从物体的中间通过
through 是通过某种途径
He bought the antique vase through a dealer.
他通过一个商人买到这只古花瓶
He became rich through hard work.
他靠努力工作而致富.
through表示“以；通过；经由”.如：
by 是通过某种方法
1.表示以一般的方法或方式.如：
No one in those days could live by writing poems.
（2）表示传达、传递的方式或煤介.如：
How did you send the letter, by airmail or by ordinary mail?
I came back by bus.
我是乘公共汽车回来的.