We must get SO for prepare working at least 3 days before SI cut time in advance.otherwise I'm afraid we can't catch up original vessel. If we still he not received SO within this morning, please inform client arrange this booking to next ailable vessel.??Thank you.
这句话中有一些语病和错别字。可以改为: "我们必须在船期截止日期前至少提前3天准备好SO,否则我们可能会赶不上原定的船期。如果今天上午仍未收到SO,请通知客户安排下一艘可用船只。谢谢。"