英和和英

an underlying principle

the principle of a thing

the principle of the matter

for principle's sake

as a matter of principle

an absolute principle

avow one's principles

a governing principle

the ultimate principle

underlying principles

apply a principle

a cardinal principle

a fundamental principle

a basic principle

the principle called one-party principle

inviolable principles

a guiding principle

a radical principle

some king of principle

a fundamental principle [rule]

a primary instinct

basic principles

the embodiment of a principle

ultimate truths

to inquire into the fundamental truths

mysterious principles

on the basis of axioms

ultimate principles

ultimate principles

the governing principle of the id