fallback的例句（fallback在句子中的用法）

• Do we need it now that we have fallback group here? 你必须登录后才能回复想现在登录吗?
• What's our fallback if they don't come up with the money? 要是他们拿不出钱，我们如何应变？
• Yesterday'svote itself was a retreat from an earlier fallback position. 昨天的投票本身就是放弃先前所留退路的做法。
• Yesterday's vote itself was a retreat from an earlier fallback position. 昨天的投票本身就是放弃先前所留退路的做法。