Sentence examples for there are two substantial problems from inspiring English sources

16 There are two substantial problems with this, albeit highly creative, approach.

There are three substantial challenges in quantitatively characterizing reservoir heterogeneity.

There are two big problems.

There are two fundamental problems.

There are two big problems with that.

But there are two big problems.

Nonetheless, there are two key problems.

To me, there are two big problems.

There are two major problems.

There are two practical problems.

There are two obvious problems.