The hotel worked overtime until late at night.

Persistence, sometimes it's not that I don't want to teach you, but that I'm watching and testing a person's patience. After all, there are so many interns and teachers are human, and everyone likes to be obedient, hardworking and modest. Remember one sentence, only laziness can make you different. Come on, lay a solid foundation for your future career. What you eat today is paving the way for your future success.