212. Even so, dog cloning is a commercial opportunity, with a nice research payoff.

译文　尽管如此，狗克隆项目是一次商业机会，这方面研究已取得了不错的结果。

点睛　本句的主干是...dog cloning is a commercial opportunity...。even so为让步状语；with引导伴随状语。

commercial意为“商业的”。如：

Commercial television is an effective medium for advertising. 商业电视是有效的广告宣传工具。

payoff意为“清算；收益；成果”。如：

If we must treat others with kindness and charity, it can only be because there is some payoff in it for us. 如果我们必须以友善和怜悯之心对待他人，那仅仅是因为这样做对我们有利。

考点归纳　even so和even though无论在读音上还是形式上都十分相近，但是二者的含义和用法完全不同：

even so是一个独立的结构，可以作插入语，意为“尽管如此”。如：

Even so, afraid the fellow might let me down, he worried for quite a time. 尽管如此，他还是一直不放心，怕同伴会让我失望。

even though是以even强调though的语气，只能作为表示转折的连词使用。如：

Even though some people objected, laws were passed. 尽管有人反对，但法规还是被通过了。