今天我们来看看@郑瑾昊 提的话题：How to say hello, sorry, you're welcome and goodbye to friends by different ways and with high frequency. Hey there! 你好 Hey there! How was your weekend? Looks like you had a blast! 你好！你的周末怎么样啊？貌似过得很开心啊！ No I didn't. I was home sick all weekend. 才没有。我整个周末都生病待在家里。