可靠

kě kào reliable

查询

chá xún to check; to inquire; to consult (a document etc); inquiry; query

车辆

chē liàng vehicle

行驶

xíng shǐ to travel along a route (of vehicles etc)

轨迹

guǐ jì locus; orbit; trajectory; track

定位

dìng wèi to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche

, 不可或缺

bù kě huò quē necessary; must have

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]

圈内

quān nèi close circle; community; (esp.) the show business milieu

名人

míng rén personage; celebrity

付费

fù fèi to pay; to cover the costs

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

chalalalacom