1 [sing] the principle or reason which lies behind sth 原则;原理:
We made our decision on the basis of the reports which you sent us.我们的决定是根据你送来的报告作出的。
2 [sing] the way sth is done or organized 方式;根据:
They meet on a regular basis.他们定期会面。to employ sb on atemporary/voluntary/part-time basis以临时方式/自愿方式/兼职形式雇用某人
3 [C] a starting point, from which sth can develop 起点;基础:
She used her diaries as a basis for her book.她以自己的日记为基础写那本书。