Use the footbridge use the the sidewalk是什么意思?

please use the sidewalk在英文中是什么意思 To cross the roads,use the Zebre?or the footbridge. Use the chopsticks是什么意思? please use the keyboard是什么意思 use the chopsticks是什么意思?wash the Press Down to use the switch 是什么意思 the use of high-pressure是什么意思 the use of trade statistics是什么意思啊? make the best use use the subway with the use the use of computer