文章里面说的这一类群组我很少去看。不过我相信群组里面大多数人还是友善的（沉默的大多数？）。只是有几个戾气比较重的人经常发言，把气氛搞得比较差。
另外在 IM 软件里面想要有高质量、长篇大论的回答是不现实的。既然没有 Stackoverflow 的回答水平，也就别要求提问者有 Stackoverflow 的提问水平。
https://zhuanlan.zhihu.com/p/451374861
BY 无籽水稻种植基地
Telegram is a free app and runs on donations. According to a blog on the telegram: We believe in fast and secure messaging that is also 100% free. Pavel Durov, who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram.
Pinterest (PINS) closed at $71.75 in the latest trading session, marking a -0.18% move from the prior day. This change lagged the S&P 500's daily gain of 0.1%. Meanwhile, the Dow gained 0.9%, and the Nasdaq, a tech-heavy index, lost 0.59%. Heading into today, shares of the digital pinboard and shopping tool company had lost 17.41% over the past month, lagging the Computer and Technology sector's loss of 5.38% and the S&P 500's gain of 0.71% in that time. Investors will be hoping for strength from PINS as it approaches its next earnings release. The company is expected to report EPS of $0.07, up 170% from the prior-year quarter. Our most recent consensus estimate is calling for quarterly revenue of $467.87 million, up 72.05% from the year-ago period.
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