良品サンプルの基準がなく良品サンプルが確認しにくい

良品サンプルの基準がなく
良品サンプルが確認しにくい

Results (English) 1:

But the criteria for a good sampleHard to see good samples

Results (English) 2:

There is no standard of good sample
is difficult to verify the non-defective sample

Results (English) 3:

Without a good basis to make sure that a good sample