shè jí jià gé hé tong shí jiān hé zé rèn de shì xiàng réng rán xū yào duì fāng míng què huí fù

涉及价格、合同、时间和责任的事项，仍然需要对方明确回复。

Matters involving price, contract, time, and responsibility still require a clear response from the other party.