ex·pe·di·tious
adjective/ˌekspəˈdɪʃəs/
/ˌekspəˈdɪʃəs/
(formal)- that works well without wasting time, money, etc.
迅速而有效的；迅速完成的 - the most expeditious method of dealing with the situation
处理这种情况的最迅速的方法
Word Originlate 15th cent.: from expedition + -ous. - the most expeditious method of dealing with the situation