2. The United States, which had global ambitions and interests, wanted to establish an international economic system conducive to free trade and ______ investment.
(A) impervious (B) unfettered (C) implacable (D) unavailing
Kara Shih 國二上 (2012/06/04) impervious(adj.) not affected by something不受影響的 unfettered (adj.) :not controlled or restricted 不受約束的;自由的 implacable.....看完整詳解