必须指出

• I must point out that never making mistakes is unpractical
  我必须指出不犯错误是不现实的。
• I must point out that it is unpractical to make no mistake
  我必须指出不犯错误是不现实的。
• I must point out that it ' s not reality who does no mistakes
  我必须指出不犯错误是不现实的。
• I must point out that not making a mistake is unrealistic
  我必须指出，不犯错误是不现实的。
• I must point out that it ' s not realistic to make no mistake
  我必须指出不犯错误是不现实的。
• I must point out that it is not realistic to made no mistake
  我必须指出不犯错误是不现实的。
• I must point out that it is impossible nver make any mistake
  我必须指出不犯错误是不现实的。
• I must point out that it ' s unrealistic not to make mistakes
  我必须指出不犯错误是不现实的。
• I must point out that it isn ' t unrealistic to have no mistake
  我必须指出不犯错误是不现实的。
• I have to point out it ' s not realistic never make any mistake
  我必须指出不犯错误是不现实的。