I've been doing this job for 25 years, and I tell you you're going to stuff it up doing things this way.
我干了这工作已有25年了,告诉你,你这样做事情,会把事情办糟的。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此,我们所知道的现有恒星数目估计约有30亿×1000亿颗。