If you go abroad, you go to a foreign country, usually one that is separated from the country where you live by an ocean or a sea.
双语例句
例： I would love to go abroad this year, perhaps to the South of France.
我今年想去国外，可能去法国南部。
例： He will stand in for Mr. Goh when he is abroad.
当高先生在国外时他将代行其职。
例： About 65 per cent of the company's sales come from abroad.
该公司约65的销售额来自国外。