Matthew effect: Any individual, group or region, once it succeeds and progresses in a certain aspect (such as money, reputation, status, etc. ), it will produce a cumulative advantage and there will be more opportunities to achieve greater success and progress. According to the above definition, which of the following is Matthew effects? ['Professor, the more famous the experts, the more research funding, the more social part-time jobs.', 'The state always focuses on investing in prestigious schools. Those schools that are fully invested and have absolute advantages in hardware and software may not be able to continue to become prestigious schools.', 'In the frenzy of the stock market, it is always the banker who makes the money, and the retailer is always the one who loses. The money of the general public will be gathered into the hands of a few people in this form.', 'Manager Chen likes to buy lottery tickets. Recently, he has repeatedly bought and even bought new cars. The neighbors envy him and ask him how to choose a number.']