that may or may not be so.
→ may
THAT IS AS MAY BE
Meaning of THAT IS AS MAY BE in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004
that may or may not be so.
→ may
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004