从多渠道收到了招标文件， 如果拒绝别人的合作邀请？

Many thanks for your time again and thinking of us. As explained on Skype we are working directly with this company and have already received this opportunity of card tender.

释义；再次感谢您的时间和考虑到我们。 正如我在Skype 上解释的那样， 我们直接与这个公司合作着并且已经收到这次卡的投标机会。

赏析一： explain’ 解释； 阐明’

例如： explain the operation 解释操作

Explain the format of the programme

解释节目的编排

赏析二：opportunity "时机，机会"

例如： development opportunity发展机遇

investment opportunity投资机会