Because immigrants are likely to be of working age and employed, they also paid nearly $100,000 more in taxes than the average native-born American, the study found. In their absence, national debt would reach approximately 200% of GDP, rather than the currently estimated 120%.
PostgreSQL Asynchronous Commit that can be used in a similar way to Mongo's j: false; significantly speeding up writes, at the risk of losing most recent data modifications: https://www.postgresql.org/docs/current/wal-async-commit.html. There also are Unlogged Tables, with changes not written to the WAL (Write Ahead Log): https://www.crunchydata.com/blog/postgresl-unlogged-tables
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Фото: Oleg Petrasiuk / Press Service of the 24th King Danylo Separate Mechanized Brigade of the Ukrainian Armed Forces / Reuters
这种颗粒度不仅体现在场景描写上，更体现在财务和数据的透明上。在《副业淘宝小店》里，作者没有泛泛而谈创业难，而是直接摊牌：注册公司 + 一年代账 + 经营地点证明，一共付了 3000 块，这里应该是被坑了，甚至精确到「毛利率 8%~9%，毛利润在接近 3000 元」。说实话，这种近乎赤裸的财务透明，在大多数营销文中是看不到的。当作者写出「毛利 5%，甚至毛利 1% 的订单，我前期都在做」时，读者感知到的不是精心包装的营销话术，而是毫无保留的真实体验。
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