有些人认为电子机票不存在遗忘丢失的问题，而有的人则担心在网上发送个人信息不安全或机票无法报销等问题。

While some feel more secure without the worry of a ticket, others said they did not trust sending personal details over the Internet, or worried they would not get reimbursed.

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支持莫扎特疗法效果的证据，最终被证明是薄弱的，或许根本不存在。 虽然最初的研究，除了证实有短暂而有限的效果之外，该小组从来没有声称过其他什么。

The evidence for Mozart therapy turned out to be flimsy, perhaps nonexistent, although the original study never claimed anything more than a temporary and limited effect.

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Perrault很匆忙，同时为自己对冰雪的了解感到自豪，这些了解是不可或缺的，掉落的冰块都非常薄，而有水流的地方，根本就不存在冰面。

Perrault was in a hurry, and he prided himself on his knowledge of ice, which knowledge was indispensable, for the fall ice was very thin, and where there was swift water, there was no ice at all.

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But that doesn't show that it's really possible, logically possible to have a world in which my mind exists and my body doesn't."

但这并不表示那是真正可能的,在逻辑上可能有一个世界,其中我的心灵存在而身体不存在

耶鲁公开课 - 死亡课程节选

So there couldn't be a world in which the Evening Star exists, but the Morning Star doesn't, because that would be a world in which Venus exists and Venus doesn't exist.

所以不可能有一个世界昏星存在,而晨星不存在,因为那意味着在那个世界里金星存在,而同时金星不存在

耶鲁公开课 - 死亡课程节选

Maybe we should say, the mere fact that it's possible for A and B to be separate--for A to exist without B for example, that's clearly where they're separate-- the mere fact that it's possible for them to be separate doesn't mean that in the actual world they are separate.

也许我们应该说,A和B有可能不同,比如 可能A存在,而B不存在,这是它们明显的不同之处,它们有可能不同,并不意味着,在现实世界它们也是不同的

耶鲁公开课 - 死亡课程节选