1. basis
She visits the dentist on a regular basis, so she seldom gets toothaches.
Sixty percent of Japanese adult males drink alcoholic beverages on a regular basis.
Few people are on a first name basis with the president.
Make that book your basis.
For rock it's hard to know on what basis you should call something 'hi-fi'.
Investing abroad on your national currency basis will not always be profitable.
Although we may intend to judge a person on the basis of his or her personal qualities, they are not visible at first sight.
Do you agree that workers should be chosen on the basis of their education and experience?
The basis of this system is that the students must take turns in teaching, they have to help each other.
For delayed flights, seasonal adjustments are made on the basis of the original flight date and so refunds of air-mile difference will not be made.
Although astrology has no scientific basis, it's very popular and it seems that many people believe in it.