一般就是自己卖的。
比较可靠。
至于真假就很难说了。
因为退货方便。
可能有人把真货留下。
拿假货退回去的人
They are usually sold by themselves.
It is more reliable.
It is hard to tell whether they are genuine or not.
Because it is easy to return.
Someone may keep the genuine product.
People who return the fake product