︽ | | ︾ ︽ | ︾ ︽ | ︾ | | | | | | | | | | | | | | C2C B2C | | | | | | | 2021 ︽ | | ︾ | | | | | | | | | | | | | | | | ︽ | | ︾ | | | | | | | | | | | | | | | | | | | ︽︿ | ﹀ | | | | | ︔ | | ︔ | | | ︾ | | | | | | ︽ ︾ | | ︽ ︾ | | | | | | | | | |