Yet this discovery had to happen at a certain point in time or another—it cannot have been happening constantly or have never happened yet still be present—and this point in time does have its own significance.
然而,这一发现必须发生在时间的某一点上或其他时间点上 - 它不能不断地一直在发生也不能从来不发生,而是它仍必须存在 ------- 并且这个时间上的点确实有其自身的重要性.
我认为我"be"在句中是与句子中 happen并列的不定式