n.  基础；根据；基点

• on the basis of sth 

  在某事的基础上；根据某事

• on a regular/daily/weekly etc basis 

  定期/每天/每周等

• I first began to investigate the basis of human motivation – and how people persevere after setbacks – as a psychology graduate student at Yale University in the 1960s. 研究人类动机的基础

• That feeling echoes the beliefs of the Therapeutic Food Pantry program at Zuckerberg San Francisco General Hospital, which completed its pilot phase and is about to expand on an ongoing basis to five clinic sites throughout the city. 不断扩大

• Their claim had no basis in fact.

  他们的说法没有事实根据。

• I’m saving money on a regular basis.

  我定期存钱。

BrE /ˈbeɪsɪs/ 

NAmE /ˈbeɪsɪs/