VOA慢速英语:Policies, Politics and Dollars Rest on US Census

the more…the more句型

例句：The more you learn, the more you know.
      学得越多，知道得也就越多。

2.The Census Bureau says the ten-question form this year is one of the shortest ever and should take no more than ten minutes.

no more than 不过,仅仅

例句：He is no more than a worker.
      他仅仅是个工人。

     It's no more than a mile to the shops.
     离商业区不过一英里。
 
not more than 至多,不超过,不比...更...

例句：I'll stay here not more than three days.
      我将待在这里最多不超过三天。

      It is not more than thirty miles from London as he crow flies.
      从这里到伦敦，直线距离至多30英里。

3.And a phone number is requested, the form explains, in case an answer is not understood.

in case免得, 以防

例句：Be quiet in case you wake the baby.
      轻点儿, 别吵醒婴儿。

      Keep the window closed in case it rains.
      把窗户关好, 以防下雨。
 
4.People are required by law to answer all questions to the best of their ability.

to the best of their ability尽最大能力

例句：Our engineer will train your personnel and answer all the question to the best of their ability.
      我方工程师将培训你方人员并尽最大可能回答所有的问题。