人们尝试新鲜事物或是冒险性举动时，大脑中的某种化学物质会让人产生愉快感。

When people do something new or risky, a chemical (化学物质) in the brain creates a pleasant feeling.

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被列为非物质文化遗产的中国结制作技艺的继承人柳成为了一名直播节目主持人。

Lyu, an inheritor (继承人) of the art of making Chinese knots, which is listed as an intangible (非物质) cultural heritage, became a livestreaming host.

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They are still creatures in the sense of created things And they are dependent on a higher power.

他们也只是被创造之物,他们依靠着一种更高的权威。

耶鲁公开课 - 旧约导论课程节选

It's foreign, it's not part of the host or not a normal part of the host.

所以它成了外源物,外源物不是宿主的一部分,至少不是正常的一部分

耶鲁公开课 - 生物医学工程探索课程节选

Probably in the early days, this was largely a question of barter.

在早些时候,以物易物都是个难题

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