How long have you been living in this country?
你在這個國家居住多久啦？
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.
這個國家從未做過這種手術。
The university is ranked number one in the country for engineering.
在工程學領域上，這所大學位居本國第一。