这个标识是什么意思？What does this sign mean?
过了这个标记就可以在路边停车You can stop after you pass this sign
这个标记之前的路边就可以停车You can stop before this sign, but not after
你只能在这个标识前后20米范围内停车You can only park within 20 metres of this sign
未得到授权则不可以停车You must not stop at all until parking permission is given