| 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 |
| 手机 | shǒu jī | cell phone; mobile phone; CL:部[bu4],支[zhi1] |
| 号 | hào | ordinal number; day of a month; mark; sign; business establishment; size; ship suffix; horn (wind instrument); bugle call; assumed name; to take a pulse; classifier used to indicate number of people |
| háo | roar; cry; CL:個|个[ge4] | |
| 定位 | dìng wèi | to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche |
| 轨迹 | guǐ jì | locus; orbit; trajectory; track |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 想要 | xiǎng yào | to want to; to feel like; to fancy; to care for sb; desirous of |
| 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] | |
| 都 | dōu | all; both; entirely; (used for emphasis) even; already; (not) at all |
| Dū | surname Du | |
| dū | capital city; metropolis | |
| 有的 | yǒu de | (there are) some (who are...); some (exist) |
| 方案 | fāng àn | plan; program (for action etc); proposal; proposed bill; CL:個|个[ge4],套[tao4] |
| 天 | tiān | day; sky; heaven |
| 网 | wǎng | net; network |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 在线 | zài xiàn | online |