winter and summer vacation. According to the information about Haidilao, Haidilao began to recruit more part-time employees in winter and summer vacations. Because there are many students on holiday in winter and summer vacations, Haidilao waiters will recruit some part-time employees if they are too busy. Part-time job is a Chinese word, which means that employees or students hold other jobs in addition to their own jobs. It is also called a second job or a sideline.