How are you? 的回答：
    I’m very well.
    Not bad.
    Pretty good and yourself?

    询问厕所 不用WC
    Excuse me but where is the loo?
    Could you tell me where the restroom is plz?
    Where is the Ladies’/Men’s room please?

    再见，不用Goodbye，过于正式，bye for good 的感觉
    工作、线上会议、电话结束：
    Have a great day
    Have a good one
    Take care
    朋友：
    Bye
    See ya
    See you
    Later
    Bye for now

    Good morning/afternoon/evening 过于正式，平常不用
    日常中把good省略
    常见问候：
    What’s up?
    How are you doing?
    How’s it going?
    You alright?
    Alright?
    How is everything?

    Hello 少用的打招呼用法，接电话时会说
    hello 和 hey 可以表达自己不满的情绪
    如，有人插队，生气文雅点会说：excuse me，无礼的会说：hello、hey
    正确的打招呼方式：
    一群人：hi/hey guys
    邮件群发：hi all
    和亲密的人说：hey you