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In the past when I was a teenager I always thought too much about what's going to happen the next day or why that person said "x".

过去当我还是个少年的时候，我常常想太多接下来一天要发生的事情或者为什么那个人会说某句话。

youdao

Explanation: on Valentine's Day (ET) the Sun unleased one of its most powerful explosions, an X-class flare.

解释：就在情人节这天(美国东部时间)，太阳释放了它最具力量的爆炸之一——一个X级的耀斑。

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What's the value of this X at the end of the day?

最终X的值是多少呢？

哈佛公开课 - 计算机科学课程节选

Some of these are still listed on The New York Stock Exchange page; on the day that a stock goes ex-dividend, they'll have a little "x" by its price.

有些还在纽约证交所的网页上,股票除息的那一天,股价前面会有个小小的"x"标记

耶鲁公开课 - 金融市场课程节选

The actual VP reveal would take place on day X.

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"That would have been too easy, with three meals a day, TV and X-Box, " she said.

BBC: A victim of crime

Refer to the table to determine the Value of X for any given day.

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