All we know is founded on its rhythms: Water will flow from the snowcapped mountains, rain and sun will arrive in their proper seasons.

我们都知道自然界是有规律可循的：水从雪山上流下来，在适宜的时间雨水和阳光光临。

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The ability to predict the seasons - by tracking the rising and setting points of the sun throughout the year - was key to survival in ancient times.

在古代，跟踪全年日出和日落的时间点以预测季节的能力是关系到生存的关键问题。

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Mountain nin winter is the best season of the four seasons, with a white cloak, water in a transparent armor, the sun is covered with a veil.

冬天是四季中最美的季节，山披上了雪白的披风，水穿上了透明的铠甲，太阳也蒙上了面纱。

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Donovan left Seton Hall after the season to coach the Connecticut Sun of the WNBA. She was 27-65 in three seasons with a program that has not been the NCAA tournament since 1995.

WSJ: Bozzella officially takes over as Seton Hall coach

Without the earth's 23.5-degree tilt to the sun there would be no seasons, no variation in daylight and darkness, said Fothergill.

CNN: 'Earth' takes viewers on 'breathtaking' global journey

Other activities for Cassini scientists during the extended mission will include monitoring seasons on Titan and Saturn, observing unique ring events - such as the 2009 equinox when the Sun will be in the plane of the rings - and exploring new places within Saturn's magnetic "envelope" - or magnetosphere.

BBC: Nasa extends Saturn probe mission