0793忍者 ◆No.1/op/JA (アウアウウーT Sacf-XJxX)垢版 | 大砲2018/05/03(木) 22:30:16.64ID:iXxXnJGTa thus≒so thus, so far≒thus far 'thus' is formal and upright word. thus,it is not unually used spoken English.