The American colonies did not prove profitable to the mother country in the end.

Whatever the reason for the change, taxpayers must at least hope it proves more profitable than the last.

This action proved profitable to him and which was later followed by others.

In the end, he mentioned, the deal might well prove barely profitable for his firm.

A number of mines were started, but none proved profitable.

The scam was proving too profitable to simply walk away from.

And it had proved extremely profitable, especially I since the war.

I believe that having equal conditions of access for all will not prove profitable in every case.

But as the series has proved successful and profitable, he said, "they've come around."

But researchers found that almost any period between two months and a year proved equally profitable over the long term.