AN UNBIASED VIEW OF 交易所比对

The land was rezoned for business enhancement use in 1982 and, for many years, lay dormant. The county council voted to incorporate the area into an business zone, extending tax Added benefits for acquiring the land. 永续合约没有交割日，永不到期。由于没有到期交割日，永续合约会通过“资金费用机制”来使合约