一段话的英语翻译，机器翻译止步.可以根据意思翻得简单点。

In Chinatown, the difference between Chinese and western cultures are even more obvious. If a Chinese family go shopping there, it is a generally accepted behavior for parents to pay for their kids and for adult children to pay for their parents. We can always see that adult children dispute with each other for a chance to pay for their parents for a rather long time. The foreigners are totally different. The parents and children arrange their own money without any intersection. Even some children by their own things with their own money, which comes from helping parents with housework. Every time I reach out to take money from the purse of those kids who are shorter than the counter, I feel an sadness difficult to describe. I want to ask their parents aside why they don't pay? But those adult children are also seperate with their parents in economy. When the old parents, trembling, take out money from purses nearly empty, their children just pay little attention to that and con