translation.en: In 2009, the surveillance systems that Google and Microsoft built into their networks -- the systems that they use to respond to lawful surveillance requests those systems were compromised by the Chinese government, because the Chinese government wanted to figure out which of their own agents the US government was monitoring.
translation.zh: 在2009年， 谷歌和微软公司植入自己网络中的 监控系统—— 用来回应来自警方的 合法监控请求的系统—— 被中国政府侵入， 因为中国政府想要知道 美国政府正在监视他们的哪些特工。