ADJ
(計(jì)劃失敗或發(fā)生意外時(shí))退守的,應(yīng)變的,備選的
Someone's fallback position is what they will do if their plans do not succeed, or if something unexpected happens.
例句
Yesterday's vote itself was a retreat from an earlier fallback position.
昨天的投票本身就是放棄先前所留退路的做法。