Some studies show that being in the presence of waterfalls can lift one’s mood and reduce stress. More and more people travel across the world to get closer to waterfalls, and, why not, are recreating waterfalls at home!
When light hits a waterfall, it creates crystal-like reflections. Coupled with the white noise of water movement, they are a great at-home escape.
When it comes to installing a waterfall at home, technical issues should be cautioned. Poor filtration and leaks will result in clogs and water loss. Also, make sure the waterfall’s mechanics are out of sight.
研究顯示，觀賞瀑布可以使人情緒愉悅，也能減輕壓力，因此，不僅越來越多的人為了親近瀑布，環遊世界各地旅行，也有人直接在家蓋一個自己的瀑布呢！
當光線照射著瀑布時，產生水晶般的反射光澤，再加上水流的白噪音，讓你在家就能逃避喧囂、放鬆心情，感覺身處山林。
不過，在家安裝一個瀑布可不是小工程。技術問題尤其應該注意，不良的管線裝設，可能導致排水不良，若是漏水更麻煩。另外，若想打造優美的環境，也要確保藏好瀑布管線。
Out of sight 意思就是「看不見」。Sight是「視線」的意思，out of sight直譯就是「離開視線之外」。例句：
She saw them off, waving until the car was out of sight. 她看著他們離開，直到車子離開她的視線。
另外，一個常用的諺語：out of sight, out of mind，意思類似眼不見為淨，但更是指「只要看不見，就不會常想起、就容易遺忘」
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