After deciding what industry you want to engage in and what category you want to join, for example, if you want to eat the catering industry, then the catering industry includes milk tea, skewers, hot pot, snacks, Chinese food, hot and sour powder, wonton and other categories, so it is more convenient for you to decide what kind of projects to join.
There are both good and bad products in the milk tea industry. You can decide the category you want to join first, and then choose several items for comparison, which will be more scientific.