DAVID M. LAMPTON is Professor Emeritus and Senior Research Fellow at the Johns Hopkins School of Advanced International Studies. He is former President of the National Committee on U.S.-China ...

引言 缓存是工程师优化分布式系统时首先采用的工具之一。我们会缓存已完成的响应（如数据库查询结果或HTTP响应体），以避免重复执行昂贵的任务。然而，传统缓存未能解决一个经常被忽视的低效源头，即重复的进行中请求（duplicate in-flight request）。

When China’s property market collapsed in 2021, its leaders scrambled to find a new driver of economic growth to replace housing construction. More investment in infrastructure, which had powered much ...

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Dominic LeBlanc in his office in Ottawa in December, 2025. Mr. Leblanc will lead a Canadian trade delegation to Mexico will include leaders of approximately 250 Canadian businesses as well as ...