| 签名 | qiān míng | to sign (one's name with a pen etc); to autograph; signature |
| 代理 | dài lǐ | to act on behalf of sb in a responsible position; to act as an agent or proxy; surrogate |
| 定制 | dìng zhì | custom-made; made-to-order; to have something custom made |
| 开发 | kāi fā | to exploit (a resource); to open up (for development); to develop |