I never heard back from you on that opportunity
我从未从你那里收到关于那个合作机遇的任何的反馈消息.
Is there any chance you can supply some of the other chemicals that I listed for you?I never heard back from you on that opportunity.
你是否可以提供我给你列出的部分其他化学成分?我从未从你那里收到关于那个合作机遇的任何的反馈消息.