No smoking和Keep off the

No smoking和Keep off the No dogs allow Keep quiet Keep off the grass No food or drink No Smoking和Not Smoking哪个正确? Keep off the grass! keep off the grass Keep off the grass. keep off the The notice ____ "No smoking!". the sign means “no smoking”对no smoking提问 no parking和no smoking什么意思 英语翻译No parking!啥意思?Danger!啥意思?Keep Off the Grass!啥意思?Hands O keep away 和keep off 的区别