she has a sweet voice and sings quite well,but she is better known as a dancer.
问题描述：
she has a sweet voice and sings quite well,but she is better known as a dancer.
为什么用 better 而不用 more
答
better是good和well的比较级,在这里better是well的比较级.而more是much和many的比较级,在这儿这个better是形容 is known的副词,不能用more ,more是形容词.