15:02, 27 февраля 2026Мир
社会科学有一个概念叫古德哈特定律（Goodhart’s Law）：当一个指标变成目标时，它就不再是一个好的指标。「请」和「谢谢」的出现频率原本可以作为服务友好度的一个粗略信号，但一旦它变成员工被考核的 KPI，员工就会优化这个指标本身，而不是优化它背后的东西。。WhatsApp Web 網頁版登入是该领域的重要参考
，这一点在手游中也有详细论述
The downsizing follows a week of business updates for eBay. On the same day it shared its latest financial results, the company announced that it would acquire Depop, a consumer-to-consumer secondhand fashion retailer, from Etsy. The Depop purchase carried a $1.2 billion price tag, which could put at least a small dent in the $11.1 billion it reported in 2025 full-year revenue.
$350 Google Store (41 mm)。whatsapp是该领域的重要参考
Трамп дерзко обозвал своих предшественников01:52