a first, start, a beginning / (slang) first sexual relations, one's first time

world, society, age, generation

tax, duty, customs (money paid to the government)

開発: development

開発: develop

介入: intervention

嘆訴, 歎訴: to make a tearful appeal, to make a complaint while crying and wailing

単組: abbreviation of 単位組合 (tan'i kumiai): a unit association, the smallest sub-group within a labor union / 炭疽: anthrax (the disease) / 炭素: carbon (chemical element)

導入: introduction (e.g. of new idea)

a year