Sentence examples for proven hard to replicate from inspiring English sources

And the Great Depression that followed the 1929 crash fostered a climate for reform that has proven hard to replicate.

Still, such results have proven hard to replicate.

These will prove hard to replicate in other parts of the company.

America's shale-gas success a matter not just of helpful geology and Yankee ingenuity, but also of various legal and regulatory positions such as those of the 1978 act may prove hard to replicate in some other countries.

Though the president won there in 2008, that victory could prove hard to replicate.

15 16 Several candidate genes or single nucleotide polymorphisms have been investigated to explain familial clustering of cerebral palsy, 17 18 with extensions to interactions with clinical factors and other genes, 19 although positive findings have proved hard to replicate.

There is a downside to online publication: Print subscribers bring stability and a sense of loyalty that has proved harder to replicate online.

The detainees are proving hard to relocate.

Also, successful integration of systems has proven hard to achieve.

However, his methods proved difficult to replicate.

But the alchemical perfections of Nathan Lane and Matthew Broderick proved to be hard to replicate when those stars left the show, and the first actor to take over from Mr. Lane, the great British actor Henry Goodman, was rather unceremoniously let go before his performance was even opened to critics.