一位就职于一家大型狗粮公司的朋友前几天对我说，如果不尽快在工作中做一些有价值的事情，她就要疯了。
A friend who works for a large company that sells dog food said to me the other day that, if she didn't do something worthwhile at work soon, she was going to go mad.
研究患癌症的狗可能提供一个不同于单独研究人类或是侵蚀性癌症所产生的有价值的前景。
Studying dogs with cancer is likely to provide a valuable perspective that is distinct from that generated by the study of human or rodent cancers alone.
只要它的体重与它的高度保持均衡，越高的狗越有价值。
As long as the weight stays in proportion with the height, the taller the dog the more prized.
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