Starea lui de sanatate arata o imbunatatire clara dupa doua saptamani de tratament.
His health showed a clear improvement after two weeks of treatment.
Directorul a cerut imbunatatiri la raport inainte sa il trimita.
The manager asked for improvements to the report before sending it.
Imbunatatirile aduse produsului au facut-o mult mai populara pe piata.
The improvements made to the product made it much more popular on the market.