How to choose bike?

It is to see what is the purpose that you ride a bicycle above all, general go to work, go to school, the word that buys a thing to use general light car can, had better be bigger basket, can put bag of what.Still have if have the condition to be able to buy inside the car or outside the bicycle of the speed change.
If you ride on the road has a slope or bridge, and you feel it is very troublesome to climb the hill or bridge, you should choose a bicycle with a transmission.
If you are in an area where it rains a lot, you should choose a bike with a fender, a bike with lights if you have more chance of riding at night, and so on.