比收入更值得关注的是效率变化。
ЦРУ поставит оружие курдским отрядам для боевых действий против Ирана08:32
Белый дом назвал причину решения Трампа ударить по Ирану02:40，推荐阅读PDF资料获取更多信息
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МИД Азербайджана отреагировал на атаки иранских дронов14:03
Early in the testimony, which was viewed by Engadget on Courtroom View Network, Zuckerberg was questioned about a document on the effect of feedback on Facebook users. The document stated that "contributors on Facebook are likely to learn to associate the act of posting with feedback" which will "lead contributors to seek rewards by visiting the site more often.” Zuckerberg said he wasn’t “sure if that's actually how it works in practice, but I agree that you're summarizing what they appear to be saying.”，更多细节参见17c 一起草官网