Uber可能很快就会扩展到塞内加尔的首都

app – n. a program on a mobile phone that performs a special function

resident – n. someone who lives in a particular place

opportunity – n. an amount of time or a situation in which something can be done

option – n. the opportunity or ability to choose something or to choose between two or more things

address – n. the words and numbers that are used to describe the location of a home or building

landmark – n. an object or structure on land that is easy to see and recognize

landscape – n. a particular area of activity