有门槛才会有利润，大家都很容易参加的东西（大家都有）也就代表了利润很低。
From X
Disclaimer: The above content reflects only the author's opinion and does not represent any stance of CoinNX, nor does it constitute any investment advice related to CoinNX.
Disclaimer: The above content reflects only the author's opinion and does not represent any stance of CoinNX, nor does it constitute any investment advice related to CoinNX.