2020年的時候，關恆前往新疆秘密拍攝「再教育營」的設施，並於2021年離開中國、前往美國途中將影片發佈，為國際人權調查提供了重要的佐證。
We called l_i(x) the "Lagrange basis" previously, and they do -
，这一点在搜狗输入法中也有详细论述
Елизавета Городищева (Редактор отдела «Экономика»)
Actions that originate in the Infra-Module (i.e. incoming IoT signals) invoke classes in the Business-Module directly. There’s no need for any interface here. The Infrastructure-Module bootstraps the Business-Module, so it can just as well inject a real implementation to its classes. (In rare situations, an extra abstraction layer might be needed, but it should not be a default option).