A third source of competition comes from substitute products or services that meet the same basic need you do.

第三个竞争来源是满足你同样基本需求的替代产品或服务。

These are not substitute products, you know.

这些不是替代产品， 你知道的。

Powerful suppliers will use their clout to raise prices or insist on other more favorable terms. A third source of competition comes from substitute products or services that meet the same basic need you do.

强大的供应商会利用他们的影响力提高价格或坚持其他更优惠的条件。第三个竞争来源来自满足您相同基本需求的替代产品或服务。