For example, roughly 2,500 of Malaysia's nearly 8,000 plant species grow on soilless cliffs, rock faces, and rocks. In other words, plants could grow on walls as long as they were provided with sufficient water.
例如馬來西亞近 8,000 種植物中，大約有 2,500 種生長在沒有土壤的峭壁、懸崖、岩石上，也就是說，只要水源不虞匱乏，植物應該也能在牆面上生長。