demeanor和behavior的区别？

demeanour 比较正式 且多指人 it is the way you behave, which gives people an impression of your character and feelings.
例子her calm and cheerful demeanour.
behavior指人和动物都可以 还可以用于科技
给个例子：It will be many years before anyone can predict a hurricane's behavior with much accuracy.

demeanour 作风,作派
behavior 行为，做事方式