hi 
hello   
how are you
how do you do          
甚至Joey的How are you doing也算是啊 
How's everything going?
Howdy!
What's up?
這些都是常用的口語“你好”的表達方式
如果你還停留在"Hello?""How are you?""How do you do?"的層次上,那你可能要聽不懂外國人説話了哦哦。