All I can suggest is invent a time machine, go back to the 1980's or early nineties and join Cathay Pacific. That's when they paid A Scale; this and the other expat benefits made these problems go away.
A continuous succession of pilots undercutting their forebears, the latest being the CX iCadets, is making expat aviation careers in Hong Kong untenable.
You could consider commuting from elsewhere in Asia. Maybe there are other PPRuNers with the gen on living in Macau.
Good luck.