| 外部 | wài bù | external part; external |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 对方 | duì fāng | counterpart; other person involved; opposite side; other side; receiving party |
| 银行卡 | yín háng kǎ | bank card; ATM card |
| 数量 | shù liàng | amount; quantity; CL:個|个[ge4]; quantitative |
| 余额 | yú é | balance (of an account, bill etc); surplus; remainder |
| 小时 | xiǎo shí | hour; CL:個|个[ge4] |
| 在线 | zài xiàn | online |
| 系统 | xì tǒng | system; CL:個|个[ge4] |
| 维护 | wéi hù | to defend; to safeguard; to protect; to uphold; to maintain |
| 黑盒 | hēi hé | black box; fig. system whose internal structure is unknown |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |