-----------------------------------
出来高， できだか
1. yield, crop, production, volume, piecework
tbd
-----------------------------------
億， おく
1. hundred million, 100,000,000, 10^8
亿
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
