what do you mean "坏毛病" what is your standard? the child's standard or some body else's standard? The piano's key is very hard for younge kids, it is cruel to your child to force them to use piano.
if you want to hurt your child's finger, then play piano, make your child's finger permanently twisted or damaged.
The teachers may don't have a any experience on keyboard, it is dangerous to leave your kids to these teachers.
There are people that can only use calculator, but they don't even know know there are computers.
if you want to hurt your child's finger, then play piano, make your child's finger permanently twisted or damaged.
The teachers may don't have a any experience on keyboard, it is dangerous to leave your kids to these teachers.
There are people that can only use calculator, but they don't even know know there are computers.