How long have you been living in this country?

　　你在這個(gè)國家居住多久啦？

　　She didn't know what life in a foreign country would be like.

　　她不知道外國的生活會是什么樣。

　　It's a free country; I'll say what I like!

　　這是個(gè)自由的國家，我想說什么就說什么！

　　This operation has never been performed in this country.

　　這個(gè)國家從未做過這種手術(shù)。

　　The university is ranked number one in the country for engineering.

　　在工程學(xué)領(lǐng)域上，這所大學(xué)位居本國第一。