Some of them are unique to one source, some are not, but ultimately the claim is that these have all been merged, and have left us then with an overall total of ten. This may in fact be true.

有些瘟疫只有一个出处，有些则不是,最重要的是，它们被混在一起,流传下来的，就有了十次瘟疫，也许真的有。

耶鲁公开课 - 旧约导论课程节选

Just two, I touched 6 once and then I moved ahead, and then I touched 8 and I moved ahead, not touching any other number.

只有2次，我先将6移了下来，然后将8移了下来，并没有动其他的数字。

哈佛公开课 - 计算机科学课程节选