手早い答え
custo は生産・取得に必要な資源、despesa は支出・費用の記録です。
確実な見分け方は、英語から訳す前に、その単語の働きを見きわめることです。
それぞれの単語の働き
custo
cost
Use custo for resources required to produce, acquire, operate, or achieve something.
despesa
expense
Use despesa for an outflow or charge recorded in a budget or accounting period.
選び方
- custo: Choose custo if the sentence points to resources required to produce, acquire, operate, or achieve something.
- despesa: Choose despesa if the sentence points to an outflow or charge recorded in a budget or accounting period.
例文
O custo de produção aumentou.
The production cost increased.
A viagem gerou despesas extras.
The trip generated extra expenses.
よくある落とし穴
Accounting uses stricter classifications than everyday speech. A payment can be a despesa without being a direct production custo.
文脈の中で練習する
自分の実生活から文を一つ選び、二回書いてみましょう。一度はcustoで、もう一度はdespesaで。どちらも成り立ちそうなら、意味の違いを言葉にしてみましょう。