Start by backing up the database, just to make sure you can recover to your previous environment, in case anything goes wrong.
首先要备份数据库，确保在发生错误时，可以恢复到前面的环境。
If trading losses are piling up, it's time to cut back, even though there is the temptation to make more trades to recover the recently lost trading assets.
如果交易亏损堆积如山，那便是该进行削减的时候，尽管进行更多的交易以便挽回近期的交易资产损失存在诱惑。
Time.. You can't recover it, make up for it, or reverse it.
时间——既不能收回，也无法弥补或倒流。
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