[简答题]Directions: 　　Translate the following text from English into Chinese.Write your translation on ANSWER SHEET2.(15 points) 　　When people in developing countries worry about migration,they are usually concerned at the prospect of ther best and brightest departure to Silicon Valley or to hospitals and universities in the developed world ,These are the kind of workers that countries like Britian ,Canada and Australia try to attract by using immigration rules that privilege college graduates . 　　Lots of studies have found that well-educated people from developing countries are particularly likely to emigrate .A big survey of Indian households in 2004 found that nearly 40%of emigrants had more than a high-school education,compared with around 3.3%of all Indians over the age of 25.This "brain drain "has long bothered policymakers in poor countries ,They fear that it hurts their economies ,depriving them of much-needed skilled workers who could have taught at their universities ,worked in