假如有13个人,其中4个人以包饺子为生,他们同时还要依靠卖饺子的收入抚养和赡养5个人。饺子包出来后,有9个人(包括两个包饺子的人)说,饺子是好吃,但我们吃不起,我们喝点饺子汤就行了。这样,能够买得起饺子的只剩下4个人。但在这4个人当中,又有一个说:我是能够买得起饺子,但我不愿意 Suppose there are 13 people, of whom 4 people make a living by making dumplings. At the same time, they also rely on the income of selling dumplings to raise and support 5 people. After the dumplings came out, nine people (including two people who made the dumplings) said that the dumplings are delicious, but we can not afford to eat. We drank the dumplings soup on the line. In this way, only four people can afford to buy dumplings. But among these four people, another said: I can afford to buy dumplings but I do not want to