“a good piece of advice”有没有语法错误?

“a good piece of advice”有没有语法错误?
“a good piece of advice”有没有语法错误?

“a good piece of advice”有没有语法错误?
错了
应该是 a piece of good advice
不然就会出现a tasty cup of coffee这种笑话了

没有问题。因为advice不可数，所以要加a piece of。