Ha ha, silly dog. This is all you have in your eyes. Truly, a frog at the bottom of a well cannot talk about the ocean. You don't even know about contracts and still come to learn about trading coins. Better go back and play in the mud.
ZHR123456
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Deservedly, idiots can't make money. Don't be foolish in the future; don't buy when singing long and sell when singing short.
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