TOEIC・English Undergraduate about 9 yearsago

うまく和訳出来ないので 和訳お願いします。 West mark Business Course covers a wide variety of topics presented by renowned professors and executivees.

TOEIC・English Undergraduate over 9 yearsago

As Simon Garfield describes in his new book about Perkin's purple,launching mauve mania wasn't easy. という文でdescribeは他動詞なのですがなぜ目的語がないのでしょうか？