基于市场趋势，对于明年的利润，我只能做出一个有根据的猜测。

Based on the market trends, I can only ___make ___an ___educated ___guess about next year's profits.

如果我们做出一个有根据的猜测，我们可以推测这个项目将在六月前完成。

If we ___make ___an ___educated ___guess, we can assume the project will be completed by June.

她的预测不仅仅是推测；这是基于多年研究得出的一个有根据的猜测。

Her prediction wasn't just speculation; it was ___an ___educated ___guess based on years of research.