This is just the deviation of survivors. Those who failed in the postgraduate entrance examination dare not send it out. Those who succeed in the postgraduate entrance examination will share their experiences in Zhihu. Coupled with the precise push of big data, you will push ten when you brush one, so that you will see many people who take the postgraduate entrance examination go ashore. In fact, there are not so many graduate students who go ashore, but most of them are ordinary people who have failed in the postgraduate entrance examination.