此

• We can break this process into two parts .
  我们可把此过程分为两部分。
• What is the probability that it is a prime ?
  此数是素数的概率是多少？
• They determined to do this at any cost .
  他们不惜任何牺牲来作此事。
• If there is a heaven on earth , this is it !
  人间若有天堂，非此莫属！
• No one under a captain can hold the post .
  海军上校以下不能担任此职。
• You will have to clear it with management .
  此事你必须向管理部门说清。
• This card should be kept on file for reference ..
  此卡应存案备查。
• The angle is contained by the lines ab and ac .
  此角由直线AB和AC构成。
• On its annual return they will shed tears .
  年年此日，他们将痛洒热泪。
• Reflux the mixture until no tin remains .
  回流此混合物直至没有锡剩下。