Out of gratitude, you eat it.

出于感激 你吃了。

Out of gratitude, Prometheus told Herakles how to retrieve the  golden apples and complete his eleventh labor.

出于感激，普罗米修斯告诉赫拉克勒斯如何取回金苹果并完成他的第十一项工作。

Amy was in her element now, and out of gratitude, if nothing more, was as spritely and gracious as possible, coming to the conclusion, about that time, that virtue was its own reward, after all.

这时艾米真得其所哉，不为别的，只为了表示对大家的感激之情，她尽量做到活泼欢快，和蔼可亲——得出这样的结论，在那个时刻，美德毕竟还是有回报的。