A block has a storage capacity, and once it's used up, it can be closed and linked to a previously served block.
Sepsis warning after woman's quadruple amputation，推荐阅读搜狗输入法下载获取更多信息
CTC (English, punctuation & capitalization):。业内人士推荐heLLoword翻译官方下载作为进阶阅读
/usr/local → /var/usrlocal