instrumental(These innovative techniques were instrumental in the structure of the new product. • He was instrumental in getting that contract. It got rolling under is leadership. • Konev is a problematic figure in Central Europe. Although he was instrumental in the defeat of Nazism, he also oversaw arrests and deportations of Soviet refugees in the immediate aftermath of the war.washingtonpost.com); of the essence(Ремедиос_П)
be important(Client-side load balancing is a good choice when latency is important. — Балансировка нагрузки на стороне клиента прекрасно подходит в случаях, когда величина задержки передачи данных играет важную роль.Alex_Odeychuk)
play a major role(As hoped for, the researchers did find unique brain activity in the supramarginal gyrus when the volunteers were internalizing their speech compared to vocalizing it, supporting the idea that it plays a major role in the process.gizmodo.comART Vancouver)