And tell them you want to go on the tour that goes down into the canyon.
跟他们说你要参加到峡谷里去的旅游团。
The menu is dirty, Would you bring me a clean one, please?
这菜单是脏的,请你拿个干净的给我。
is as the proportion of the total vocabulary of his mother tongue against those words of his own baby talk that are taken up into the vernacular of his family.