小节目：日常情景短语，口语亮起来！

backup 备胎

I can't believe Sarah is keeping three guys around as backups!

我简直不敢相信萨拉把三个男生当备胎！

Seriously? That's not cool.

真的吗？这太不好了。

【扩展表达】

不求全面，只求实用。

1. She's been keeping him as a spare while she pursues other options.

她一直把他当备胎，同时又在物色其他人选。

2. I don't want to be the second choice anymore.

我再也不想当个备胎了。

3. He thought he was in a committed relationship, but he later found out he was just the backup guy.

他以为自己处在一段确定的关系中，但后来发现他只是备胎而已。

4. I'm just his Plan B.

我只是他的备胎。

5. She broke up with her boyfriend and immediately called her backup.

她和男友分手后立即打电话给备胎。