standard deduction for certain filers

英语翻译When the present standard deduction was first adopted in for a certain exam,a score of 58 was 2 standard deviations b know for certain是什么意思? DEDUCTION DEBIT for certain reason还是for a certain reason for certain=certainly吗? 英语翻译it provides a deduction over five years for capital expe standard standard sdk for windows ce 是什么 certain what are the causes for certain crimes All i really know for certain