请大家将下面一段话翻译 Plastic surgery has long been big business in the US, but now the trend is sweeping across Asia. Figuresreleased by the International Society of Aesthetic Plastic Surgery (ISAPS), su ggest that when population is taken intoaccount, South Korea is now the world's larges t market forcosmetic procedures.In a bid to change their looks,20 percent of women b etween the ages of 19 and 49 in Seoul,the country's capital city, admitted they had g one under the knife.