"On a basis" of English can be used to express the basis or way of doing something. Here are some examples:
These workers are paid on a daily basis. 這些工人領的是日薪。
Such study should be on a voluntary basis. 工商業者的學習,應當以自願為基。
He's working with us on a provisional basis. 他現在臨時留下來和我們一起工作。
On a daily basis, I'm trimming or extending. 我每天的基本工作就是銜接和延展。
The awards are made on a competitive basis. 資助的授予是建立在競爭基礎上的。
Please make your quotation on a cost and insurance basis. 請你方報到岸價。
The interest is calculated on a monthly basis. 利率是以月為單位計算的。
He will visit Eastern Asia on a regular basis. 他將會定期走訪東亞地區。
At present, schools are inspected on a voluntary basis. 政府現時僅在自願參加的學校進行視學。
Rates of work are calculated on a weekly basis. 工資是以周為計算基準的。