legal act的用法和樣例：
例句
- Transaction security is deliberately founded to protect the reliance sense of transaction parties who believe that a legal act of transaction nature is valid.
交易安全旨在保護相信具有交易性質的法律行為成立並生效的交易主體的信賴。 - The intermediary is carries on the civil legal act for the trustee with the third person to report the information opportunity or provides the medium relation intermediate.
居間人是為委託人與第三人進行民事法律行為報告信息機會或提供媒介聯繫的中間人。
