今天学习backbone作为名词“胆量”一意，替换常用的courage
英英释义：courage and determination
通常表达：have / doesn't have enough backbone 有无（足够的）勇气
从认识到会用：
1）翻译：
他没有胆量，在最后一刻放弃了奖学金申请。
He didn't have the backbone to apply the scholarship and gave up at the last minute.
（参考翻译：He didn't have the backbone and gave up the scholarship application at the last minute. 或 Lacking the backbone, he gave up the scholarship application at the last minute.）
2）联想造句
场景：我们需要有“被讨厌的勇气”。
造句：The courage / backbone to be hated is essential for us.
场景：在微信群里提问题需要勇气和技巧。
造句：It needs both backbone and skills to ask questions in Wechat group.
搜索了下有"a backbone" 和"some backbone"的用法：
来自https://www.rt.com/news
来自https://www.rt.com/news
