insists是什么意思？

While using quality ingredients, David Tamlyn insists that the dishes should be offered at reasonable prices .

She insists that it's exposing workers to unnecessarily high doses of radiation.

I'm sorry you feel that way, but my mother insists that he come.

The journalist Ian Leslie, in his new and enjoyable book Curious: The Desire to Know and Why Your Future Depends on it, insists that the answer to that last question is "Yes".

The textbook industry insists the online systems represent a better deal for students.

But Monsanto, the agricultural giant, insists it has a patent on the kind of genetically modified seeds Bowman used―and that the patent continues to all of the progeny (后代)of those seeds.