How to explain this? Objectively speaking, there should be advantages and disadvantages, good and bad.

Advantages: It is more convenient, you can directly select and ship goods online without running around;

Disadvantages: I am most afraid that there will be a big difference without seeing the real thing, and it is very troublesome to return and exchange goods.

Pros: It is recommended to check the merchant's Integrity Index. Usually, the higher the index, the higher the integrity and the more reliable the quality;

Disadvantages: It is inevitable to encounter bad luck.

In short, no matter where you buy goods, you must be cautious, compare and analyze carefully. If you like it, don't buy too much for the first time. You can buy a small amount in the form of samples and cooperate with the best.