Why do I choose
原因───reason;我───I
There's no other reason.───非有他故.
He escaped a prison sentence by reason of unsound mind at the time the crime was committed.───他以犯罪时精神不正常为由逃过了监禁刑罚.
I reckon she has good reason to feel smug.───我认为她洋洋得意必有其缘故.
Providing that you exercise due care, there is no reason why you shouldn't live to a great age.───只要你适当地注意, 你就可享有很高的寿命.
That is ( the reason ) why he raised the question.───这就是他所以提出问题的原因.
Lack of security of tenure was a reason for many families becoming homeless.───居住权得不到保证是许多家庭居无定所的一个原因。