If I had to pick 1 Asian language to learn strictly for the purpose of punting Asian WGs, I'd go for Mandarin. I don't know what it is, but somehow among all the Asian ethnicities working our beloved industry here in Sydney, it is the Chinese who are the worst offenders for having bad English. The other girls like J, K or T girls would have at least workable English, but no, not the Chinese. Most of them have absolutely zero grasp of English, it's crazy.