1(slang) to go Dutch; a Dutch treat; (esp., but not exclusively, when out at meals) everyone pays for his or her own expenses | Explained like this: "Such a system where A pays for A, B pays for B, C pays for C and so on, is called an 'AA-BB-CC System' or 'AA System' for short." | Note: This term is already present in informal Mandarin | Mainstream Cant.: 個個畀自己嘅 | Std. Chin.: 各付各的; 各自付帳; 平攤費用