示例
A：It is said that George immigrate to America.
B：How could that be? He plans to buy a house here.
A：据说乔治要移民到美国。
B：怎么会呢，他打算在这里买房子了。
A：Susan was badly injured in the car accident.
B：Oh, how could that be?
A：苏珊在那个事故中伤得很重。
B：噢，怎么会这样。