| 释义 |
open door
noun
1.
a. : a recognized right of admittance (as to the presence or attention of a superior) : freedom of access
b. : free and unhampered opportunity or a source of such
< education is an open door to advancement >
2. : a policy giving all nations equal opportunity for commercial and other intercourse with a country controlled by more powerful states and abolishing special concessions to a favored nation |