FAQs About the word by-and-by

だんだん

未来,未来性,明日,今後,遠く,可能,確定性,子孫

今,過去,昨日,骨董品,瞬間,古い,現代,今日,昨日,昔

by word of mouth => 口コミで, by trial and error => 試行錯誤によって, by the way => ちなみに, by the piece => 一枚ずつ, by the day => 毎日,