clearance distance的用法和樣例：
例句
- The cry is known as a spacing call, a warning to other indris to keep their distance, to prevent competition for food.
這種間隔式的叫喊聲是用來警告其它同類不要靠近，以防爭搶食物。 - The distance between the space and time of the 7 years, like a tumefacient balloon, fell to pieces momentarily.
七年空間與時光的間隔如一隻膨脹的汽球，瞬間啪一聲破碎。
