要学好一门外语,了解讲这个语言的国家的文化和风俗习惯是很有必要必要的。(learn about)
translate
参考答案:It is nesessary to learn about the culture and the habit if you want to control the language of the country!
translate
参考答案:It is nesessary to learn about the culture and the habit if you want to control the language of the country!