a big and sudden improvement
une grande et soudaine amélioration (une grande et soudaine amélioration)
"This discovery is a quantum leap in medical research."
"Cette découverte est un saut quantique dans la recherche médicale." (Cette découverte est **un saut quantique** dans la recherche médicale.)
to sound familiar or remind someone of something
to reveal something secret unintentionally
to quickly assess someone or something
to behave freely and enjoy oneself
to build a business using limited resources without external...
Stay motivated even after setbacks.