不实在的

You can afford to sell your products at a lower price.

你可以以较低的价格销售产品。

This could by your most important in butterfly drill, practice until it consistently gentle relaxed and quiet, no noise no splash little efforts.

这是一个最重要的蝶泳练习，练习直到能够温和、放松、轻轻的游，没有噪音，没有水花，只用一点点力。