地道一点的
1.We usually say...（我们一般[这么]说...)
2.That depends on the individual.
3.Everyone knows that.
4.Do you all know how Valentine's Day came about?
5.There are varying opinions as to the origin of Valentine's Day.I will share one of them today.*
这最后一句,一般要解释为什么选择这一个版本,所以比如I will cover the most popular one today (我分享最普遍的）.