语言学中有个叫“萨丕尔—沃尔夫假说”的理论，又被称作“语言相对论”，其提出的假设大致可以总结为：一个人母语的语法以及词语等方面的构成，可以影响其思维方式。
比如说“浅蓝”和“深蓝”这两个词，在汉语和英语中它们都是给“蓝”添加后缀而构成的。但在俄语，这两词的拼写完全不同，拉丁转写分别是“goluboy（浅蓝）”和“siniy（深蓝）”，在实验也证明了，在辨别深浅度不同的蓝色中，俄语母语者比英语母语者有更高的成功率
奥威尔的“Newspeak”或许也是这个理论的一个体现：如果一个概念在你的语言中根本不存在，你又怎么可能知道这个概念？
BY 升必社
Traders also expressed uncertainty about the situation with China Evergrande, as the indebted property company has not provided clarification about a key interest payment.In economic news, the Commerce Department reported an unexpected increase in U.S. new home sales in August.Crude oil prices climbed Friday and front-month WTI oil futures contracts saw gains for a fifth straight week amid tighter supplies. West Texas Intermediate Crude oil futures for November rose $0.68 or 0.9 percent at 73.98 a barrel. WTI Crude futures gained 2.8 percent for the week.
elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.
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