科学家已经对To ba引发的现象理论化，现象包括它使全球温度降低至使冰盾增长数千年以及导致大规模的植物和动物死亡。
Scientists have theorized that Toba triggered plunging global temperatures that caused ice sheets to grow for a thousand years and led to a mass die-off of plants and animals.
你可以谈论并且使你想要的一切理论化，但直到你实施并检测成功，你的企业才算得以证明。
You can talk and theorize all you want, but until you implement and test, your business won't be proven.
目的是深化对公益广告的理解，使我国公益广告能够更加符合传播学规律，加强公益广告的理论化和系统化研究。
The study aims to deepen the understanding of PSA, make our PSA tallying with the law of communication, and strengthen its theoretical and systematical research.
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