admission 
英 [ədˈmɪʃən]  美 [ədˈmɪʃən] 
n. 准许进入，录取；进入；承认；入场费；获准入学者

例句：
Gates open at 10:30 a.m and admission is free. 

上午10:30开门，入场免费。

I thought it was a public park. I didn't think they charged for admission. 

我以为那是个免费开放的公园，没想到他们要收门票。

Admission is by invitation only. 

凭请柬入场。

The government promised that admission to museums would be free. 

政府承诺参观博物馆将免费。

Admission to the cathedral is via the west door only. 

只能通过西门进入大教堂。

We gained admission to the conference by showing our press passes. 

我们出示记者通行证后获准进入会场。