commercial speculation meaning in English

商业炒作
商业投机

I have proposed to you to marry , not for your sake , for indeed i did not think of you in the least at the moment you admire candor , and will now be satisfied , i hope ; but because it suited me to marry you as soon as possible , on account of certain commercial speculations i am desirous of entering into .
我之所以要劝你结婚，并不是为了你的缘故，，因为至少在当时我的确没有想到你。你赞成坦白，我希望在你可以满足了。我之所以要催促你赶快结婚，是为了我的商业。 ”