There may be alternative methods of substantiation other than written records.
除书面记录外，可能还有其他方法可以证实。 来自柯林斯例句
To prove the point, again we need only look for substantiation to Japan, China, and the international situation.
要证明这一点, 仍不外向日本 、 中国 、 国际三方面找根据. 来自《简明英汉词典》
Now faith is the substantiation of things hoped for, the conviction of things not seen.
1信就是所望之事的质实, 是未见之事的确证. 来自互联网
Lessor shall submit the written substantiation of these expenses when claiming the monthly payment.
甲方在申请每月支付时应递交此类费用的书面证明. 来自互联网