Zhihu, a high-quality Q&A community on the Chinese Internet and an original content platform where creators gather, was officially launched in January 2011 with the brand mission of "allowing people to better share knowledge, experience and insights, and find their own answers." Zhihu relies on seriousness and professionalism. Jail is a kind of incarceration institution between a police station lockup and a prison, which holds unsettled criminals and petty criminals awaiting trial. prison: prison. The predecessor of modern prisons was the asylum system established in England in the 16th century. Just look at this answer with 5,000 likes: The national standard is free, where can I download it? For the convenience of reading, the original text is attached: Table of Contents: Part 1: Where can I download national standards? Part 2: How to determine whether a standard is current/abolished?
Penitentiary Prison Jail, view inside a cell Stock Photo Alamy
