There are three showings a day.

一天放映三场。

《牛津词典》

How many do you smoke a day?

你一天吸多少支烟？

《柯林斯英汉双解大词典》

He earns 20 rupees a day.

他一天挣20卢比。

《柯林斯英汉双解大词典》

Veterans Day came a day after the president spoke at a memorial service at the Army base at Fort Hood,Texas.

VOA: special.2009.11.14

For instance, there's 5000 taco trucks in Los Angeles and 300 people a day go to each one of those.

例如，有5000洛杉矶的塔克卡车,每天由300个人负责驾驶。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

so for about six, oh, no, it was nine hours a day, it's a long time ago.

每天要上六个，噢，不是，是九个小时的课，这都是很久以前的事情了。

纽约的人们 - SpeakingMax英语口语达人

But there is still definitely a day time H Street and a nighttime one.

BBC: H Street heats up

"That two to three hours a day that I spent there changed my life, " said Antonio.

CNN: Alvin Ailey principal dancers retire to give back

Visits to his site jumped tenfold, from 200 a day to more than 2, 000.

FORBES: Entrepreneur as Stunt Man