elder与older有何区别
问题描述：
elder与older有何区别
答
一般来说姐姐,哥哥,用的就是elder,年长的,长辈等意,elder sister,elder brother.
older多用来比较,谁比谁大（老）,简单例子,Lily is 2 years older than her.
一句话体现俩用法：
My elder sister is 6 years older than me.