Sentence examples for were not improved upon for from inspiring English sources
They contributed to many advances during the Industrial Revolution which soon followed and were not improved upon for more than 200 years.
The map which he made of his explorations, published in 1705, was not improved upon for more than a century.
"Anything that lasts 500 years is not easily improved upon," Mr. Bezos said.
Damningly for the Norwegian, the vast majority of them were clear – and not improved upon – within weeks of him taking office in the summer of 2014.
There were two excellent pastas on the menu--a carnaroli risotto with black truffle and mascarpone ($26) that could not be improved upon for its simple elegance and richness, and a rigatoni with spicy, hot 'nduja -riddled bolognese sauce dusted with Parmigiano ($24).
But Bitcoin does not improve upon gold".
I could not improve upon them.
There were some instances where no improvement in interpretation was demonstrated following training of the participants either because they could not be improved upon (100%) or there were no data for some combinations of experience and difficulty of results (e.g. none of the non-laboratory operators had experience with Insti).
These moments could not be improved upon, as preparation for the "real world". Everyone takes their meals communally in the BH when the bell summons.
By definition, something being perfect means it can't be improved upon.
