n. 护照; 途径，手段
Your passport is an official document containing your name, photograph, and personal details, which you need to show when you enter or leave a country.
You should take your passport with you when changing money.
...a South African businessman travelling on a British passport.
If you say that a thing is a passport to success or happiness, you mean that this thing makes success or happiness possible.
Victory would give him a passport to the riches he craves...
If the interview goes well it could be the passport to an exciting new career.
1. any authorization to pass or go somewhere;
2. a document issued by a country to a citizen allowing that person to travel abroad and re-enter the home country
3. any quality or characteristic that gains a person a favorable reception or acceptance or admission;
My passport expires in a month.
He stowed his passport away safely in a drawer.
He applied for a passport.
You must hand over your passport before you leave.
He required to see my passport.