| 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 |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 快递 | kuài dì | express delivery |
| 收 | shōu | to receive; to accept; to collect; to put away; to restrain; to stop; in care of (used on address line after name) |
| 货 | huò | goods; money; commodity; CL:個|个[ge4] |
| 地址 | dì zhǐ | address; CL:個|个[ge4] |
| 等 | děng | class; rank; grade; equal to; same as; to wait for; to await; et cetera; and so on; et al. (and other authors); after; as soon as; once |
| 信息 | xìn xī | information; news; message |
| 快 | kuài | rapid; quick; speed; rate; soon; almost; to make haste; clever; sharp (of knives or wits); forthright; plainspoken; gratified; pleased; pleasant |
| 狠 | hěn | fierce; very |
| 准的 | zhǔn dì | standard; norm; criterion |
| 平台 | píng tái | platform; terrace; flat-roofed building |
| 手机 | shǒu jī | cell phone; mobile phone; CL:部[bu4],支[zhi1] |
| 定位 | dìng wèi | to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche |
| 追踪 | zhuī zōng | to follow a trail; to trace; to pursue |
| 找 | zhǎo | to try to find; to look for; to call on sb; to find; to seek; to return; to give change |
| 人 | rén | man; person; people; CL:個|个[ge4],位[wei4] |