If your prices are more favorable than those of your competitors we shall send you our order.
如果你方价格比其他竞争对手的优惠,我们将向你们订货。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样,你自信心不断增强,先是因为掌握一门学问,接下来是因为能够就此发表见解。