We also prove that the equilibrium of this market exists and will finally from a continuously renewing system of mutual complementary rule.

证明了市场均衡存在，并最终形成一个连续更新的互补性规则系统。

youdao

This rule path can then be enhanced with complementary content or offerings, whether for discount on the searched product or an up-sell on similar items.

FORBES: Why Digital Marketers Need to Get More Personal