Basis

BASIS noun

[ C ] uk/ˈbeɪsɪs/ usplural bases uk/ˈbeɪsiːz/  on a daily/monthly/regular, etc basis
B2 how often something happens or is done

ежедневно/ ежемесячно/регулярно и т. д.
Meetings are held on a weekly basis . on a commercial/full-time/percentage, etc basis
B2 the way something happens or is organized

на какой-либо основе (работать на коммерческой основе/полный рабочий день/за процент и т. д.)
We will consider claims for asylum on a case by case basis . We deal with each case on an individual basis . She's having private lessons on a
(REASON)

the reason for something

основание, причина
Marks are awarded on the basis of progress and performance. There is no legal basis for his claim.
basis noun [C]