boomerang (56)in Amaze Creater Union • 3 years agoRE: 像在中心化交易所一样开平仓This post has received a 51.34 % upvote from @boomerang.steem.history (78)in Amaze Creater Union • 3 years agoRE: 像在中心化交易所一样开平仓Hello welcome to Steemit world! I'm @steem.history, who is steem witness. This is a recommended post for you.…