The provider had to reexecute the command to reposition the next fetch position to its initial position, and the order of the columns changed. 提供程序不得不重新執行命令以將下次提取位置重新定位到其初始位置，列的順序也已更改。
The initial position must be large enough to enable you to cover your profitable trade in increments without incurring additional risk from a large open position. 初始位置必須足夠大才能保證你支付你的盈利交易的增長(cháng)而不會(huì )因為一個(gè)大的開(kāi)倉位置引發(fā)額外的風(fēng)險。
