??? http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng Yeung Kwok-Leung (1 credit 1948)
??? http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng Yung Kwok-Yiu (9 credits 1947+48)
both Producers for 'World Wide Motion Picture Studio' - probably one person

?I?f? ?n?o?b?o?d?y? ?s?t?o?p?s? ?m?e? ?i?n? ?1?5? ?d?a?y?s? ?I? ?w?i?l?l? ?m?e?r?g?e? ?t?h?e?m?.?

There are some references to ??? in various archives. Could be generational names of siblings.

Newspaper article
???
??????????????
??? ??
??? ???
???? ??
????? 1947-11-27
????? ?????

??? ?06?

????? ???????????????????????????????????????????????????????????
https://digital.lib.hkbu.edu.hk/chinese ... ng=&id=763

https://www.filmarchive.gov.hk/document ... /7-2-1.pdf credit, earlier hard copy version of HKFA database

?? Producer??? Yeung Kwok-Leung
http://lbprj01.lib.cityu.edu.hk/staff_p ... ing-fellow CUHK

OK, since there is a doubt I will not merge them.