| 黑 | Hēi | abbr. for Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1] |
| hēi | black; dark; sinister; secret; shady; illegal; to hide (sth) away; to vilify; (loanword) to hack (computing) | |
| 科技 | kē jì | science and technology |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 个人 | gè rén | individual; personal; oneself |
| 户籍 | hù jí | census register; household register |
| 信息 | xìn xī | information; news; message |
| 回头客 | huí tóu kè | repeat customer |
| 多 | duō | many; much; often; a lot of; numerous; more; in excess; how (to what extent); multi-; Taiwan pr. [duo2] when it means "how" |
| 的 | de | of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis) |
| dí | really and truly | |
| dì | aim; clear | |
| dī | see 的士[di1 shi4] | |
| 商家 | shāng jiā | merchant; business; enterprise |
| 经营 | jīng yíng | to engage in (business etc); to run; to operate |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 数据库 | shù jù kù | database |