（第三十天)每日更新盈亏不是为了炫耀，是给自己留一份成长台账。赚的是经验，亏的是教训，每一笔交易都算数。
On the 30th day, updating profits and losses daily is not for showing off, but to keep a growth ledger for oneself. You gain experience, you lose lessons, every transaction counts.
On the 30th day, updating profits and losses daily is not for showing off, but to keep a growth ledger for oneself. You gain experience, you lose lessons, every transaction counts.
