It is a known fact that a Cancer woman has terrible mood swings which coincides with the waxing and waning of the moon.

事实上，巨蟹女变化异常的情绪随着月亮的圆缺而变化。

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Its regular phases make the moon a very convenient timepiece, and the periods of its waxing and waning form the basis of many of the oldest calendars.

其规律性的月相使之成为一种非常方便的计时器，很多古老日历的发明都源自对月圆月缺变化的观察。

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The great work with arranged white porcelain bowls symbolizing the waning and waxing of the moon illustrate the coincidences and necessities of the circle of life.

而他用许多白色的瓷碗摆成似是“月盈月亏”般的大型作品，又分明交待了周而复始的生命偶然与必然的背景。

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Unfortunately, his mnemonic would only work in the northern hemisphere, where the moon is observed in the southern sky with the right side of the moon sunward during the waxing phase and the left side sunward during the waning phase.

ECONOMIST: Letters