求翻译：了解外国文化也有利于我们与外国友人交流。比如在国外问女士的年龄是非常不礼貌的行为，在中国却不是那么在意。在美国13是一个不吉利的数字，而在中国4却是不被人喜欢的数字。是什么意思？

Understand foreign cultures but also conducive to our foreign friends. For example, ask a lady her age in a foreign country is very impolite in China is not so concerned about. 13 is an unlucky number in the United States, in China, four is not like digital.

It is also conducive to understanding foreign cultures with our foreign friends. For example, the foreign journalist's age is a very rude behavior in China, but it is not so much about. In the United States 13 is an unlucky number, and in China 4 but is not to be one of the most loved figures.

Understood the foreign culture is also advantageous in us exchanges with the foreign friend.For instance in overseas asked woman's age is extremely not politeness behavior, is not actually that cares about in China.In US 13 is an inauspicious numeral, but in China 4 actually not the numeral which is

Understanding foreign cultures helps us to communicate with foreigners. Like asking a woman's age is very rude in a foreign country, in China, it is not so. In the United States 13 is an unlucky number, and 4 in China is not to be people like numbers.

learn about foreign cultures will also be conducive to sharing with our foreign friends. For example, the foreign journalist's age is a very rude behavior in China, but it is not so much about. In the United States 13 is an unlucky number, and in China 4 but is not to be one of the most loved figure