【英语高手请进】麻烦帮忙看一下：我翻译的这个句子有没有语病？ 并请帮忙指导一下下面的疑问。 谢谢！

Question

At present we are on the threshold of an era of economic globalization, when it’s hard to overstate the significance of innovation .

其中，我最拿不准的是这个when，因为不太确定此处是否应该用when引导的时间状语从句，请高手见教。

Answer 1

when引导的事 非限定性定语从句， 修饰era。 解释为 。。。。样的经济全球化的时代

Answer 2

我觉得句首用NOWADAYS比较好吧
然后，我觉得这个句子可能是因果关系，从句用SO来引导，你觉得行不行呢？

Answer 3

At present we are on the threshold of an era of economic globalization so that it’s hard to overstate the significance of innovation .

前面是因，后面是果，用so that 好些吧~~

Answer 4

i think that is ok, or perhaps we can use the word "while".目前我们处于一个无论怎样重[视创新都不为过的经济全球化时代的开端。用while seems like being better.