旅(りょ)費(ひ) ryohiは waせいぜい seizei千(せん) senドル doruだろう darou。 The travel expenses will be a thousand dollars at most. Literal Travel-expenses [topic-は] at-most thousand dollars [conjecture-だろう]. せいぜい (at most) sets an upper bound. 旅費 (travel expenses) is a compound: 旅 (travel) + 費 (expense). だろう expresses the speaker's rough estimate. travelmoney and finance
旅(りょ)費(ひ) ryohiは waせいぜい seizei千(せん) senドル doruだろう darou。 The travel expenses will be a thousand dollars at most. Literal Travel-expenses [topic-は] at-most thousand dollars [conjecture-だろう]. せいぜい (at most) sets an upper bound. 旅費 (travel expenses) is a compound: 旅 (travel) + 費 (expense). だろう expresses the speaker's rough estimate. travelmoney and finance