1.perk up 活躍起來
例句:He perks up and jokes with them.
他很活躍,還和他們開玩笑。
2.wind up 結束;使...緊張
例句:The President is about to wind up his visit to Somalia.
總統即將結束對索馬里的訪問。
3.retail business 零售業
例句:He does wholesale business, while his brother is engaged in retail business.
他經營批發生意,他弟弟則經營零售生意。
4.financial crisis 金融危機
例句:This financial crisis had a much greater impact on Main Street.
這次金融危機對老百姓的影響更為深遠。