该公司老总胡安·卡洛斯·卡斯提尔·鲁比奥称要了解水供应为什么变得不充足，首先需要了解影响湖泊和水库水量的两个因素。

To understand why water supplies become insecure, you first need to know two things that affect the volume of water stored in lakes and reservoirs, says Juan Carlos Castilla-Rubio, the firm's boss.

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麦莉·塞勒斯（右）与男主角卢卡斯·提尔在影片《乖乖女是大明星》中野外骑马的场景。

Miley Cyrus, right, and co-star Lucas Till go out for a ride in a scene from "Hannah Montana: The Movie."

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