马特森提出理由证明：“通过限制热量摄入可以延长大白鼠、小白鼠寿命的主要原因是它们生来就过着不健康的生活方式。”
"A majorreason the lifespan of rats and mice is extended by caloric restriction is theystarted from an unhealthy baseline, " argues Mattson.
你方提出索赔没有充分的理由证明。
You lodged a claim without sufficient evidence to support it.
你的朋友说了一些理由没办法达成某事，不过你没办法采信，除非他们能提出证明文件。
When your acquaintances make excuses about something, you won't believe them unless they can provide supporting documentation.
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