substantiating

• He can substantiate all of my client's testimony-
  他可以证实我委托人所做出的全部证词-
• Confirms or establishes authenticity; substantiates
  确认真实性；证实。
• He can substantiate all of my client's testimony--
  他可以证实我委托人所做出的全部证词--
• Moscow said those claims have not been substantiated
  莫斯科说，那些宣称都没有得到证实。
• What evidence or proof can you provide to substantiate your claim
  你有甚麽证据可以让你的声称实体化
• If documentary proofs provided are not substantiated e . g
  一般来说，本处会接纳那些有文件证明的资料。
• substantiated documentary evidence required
  需要的佐证文件
• substantiated documentary evidence require
  需要的佐证文件
• substantiated evidence required when your case is seclected for review
  个案被抽查时须提交什么佐证文件