They chose this particular behavior for three reasons, according to study co-author Eric Schwitzgebel, a philosopher at the University of California, Riverside: students’ attitudes on the topic are variable and unstable, behavior is easily measurable, and ethics literature largely agrees that eating less meat is good because it reduces environmental harm and animal suffering.
根据该研究的合著者、加州大学河滨分校的哲学家埃里克·施维茨格尔布（Eric Schwitzgebel）的说法，他们选择这一特定行为有三个原因：学生在这个话题上的态度具有可变性和不稳定性，行为容易被测量，而且伦理学文献普遍认为减少吃肉是好的，因为它能减少环境危害和动物痛苦。
Through their DNA, the animals are telling their history themselves," co-author Samantha Brooks, an equine researcher at the University of Florida, says in a statement.
共同作者、佛罗里达大学的马类研究员萨曼莎·布鲁克斯在一份声明中说："通过它们的DNA，这些动物正在讲述自己的历史。"
Donkeys are champions when it comes to carrying stuff and are good at going through deserts," co-author Ludovic Orlando, an evolutionary biologist at Paul Sabatier University in France, tells the publication.
共同作者、法国图卢兹保罗·萨巴捷大学的进化生物学家卢多维克·奥兰多告诉该出版物："驴在运输货物方面是冠军，而且擅长穿越沙漠。"
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。