She oversees the photography and print collection at the library of congress and has trawled the archives there for her book selection .
她在国会图书馆搜罗相片和影印集，为了她的书翻找海量的档案。
In earlier research , professor dunbar trawled through lonely hearts columns in newspapers and magazines to find what qualities people looked for in a partner .
They trawled the world wide web for pictures of wild cats , found the best six for each of 37 species , and roped in a group of human volunteers to choose which of the program 's outputs were most similar to real coats .
For all the republican nonsense about the president being a " socialist " , a group of deep-pocketed democratic donors is so disappointed by what they see as his timid centrism that they trawled the country for a candidate willing to take him on from the left .
