Even in the face of strangers passing by, please keep smiling;
Pick up the garbage around you and throw it into the trash can;
When facing the service staff outside, please say thank you politely;
No matter how busy you are at work, call your parents every week;
When taking the escalator, consciously lean to the right;
Pick up the bicycle that falls on the ground, even if it is not the bicycle that falls down has nothing to do with you;
You must do what you promise others. If you can't do it, don't promise.