我们正在仔细研究你方报盘，希望将此盘保留到月底有效。
We are studying your offer and hope that it will remain open till the end of the month.
我们正在仔细研究你方报盘，希望将此盘保留到月底有效。
We are studying your offer and hope that it will remain open till the end of the month.