expeditious
adjective /ˌekspəˈdɪʃəs/
/ˌekspəˈdɪʃəs/
(formal)- that works well without wasting time, money, etc.
synonym efficient迅速而有效的;迅速完成的 - the most expeditious method of dealing with the situation
处理这种情况的最快捷的方法
词源late 15th cent.: from expedition + -ous. - the most expeditious method of dealing with the situation