1. 尊敬的XXX：Dear XXX:
2. 亲爱的XXX：Dear XXX:
3. 敬爱的XXX：Respected XXX:
4. 尊敬的客户/同事：Respected customer/colleague:
5. 亲爱的客户/同事：Dear customer/colleague:
6. 您好：Hello:
7. 早上好：Good morning:
8. 下午好：Good afternoon:
9. 晚上好：Good evening:
