" When listing agent replied the email the offer is ready for attorney review on Monday, it indicates the contract is signed by listing agent, althought the signed contract is not deliveried back to buyer agent. "
offer不仅仅是一个数字,而是包括其他条款都需要律师过目。seller不可能在attorney review之前签字。你似乎有点逻辑跳跃。
好像你考下来执照了吧?