用referential price造句子，“referential price”造句

This is the preferential price.

Note: the children taller than 1.2 meters charge full-rate, under 1.2 meters charge half price, but students, the disabled, soldier have no preferential price.

It have is the preferential price.

It is a new and fashionable artistic stereo with preferential price.

It is still the preferential price.