Mode: Specifies the type of access allowed for the lock owner as well as the type of access permitted for concurrent users of the locked data resource.
方式：指定了锁的拥有者所允许的访问类型，以及对锁定数据资源的并发用户许可的访问类型。
2
All Chinese residents holding foreign currencies are permitted to open accounts of C-type foreign currency deposit.
凡持有外币的中国境内居民均可以开立丙种外币存款账户。
3
In order for the default value of an enum type to be easily available, the literal0 implicitly converts to any enum type. Thus, the following is permitted.