遍布: to cover the whole (area), to be found throughout...
沙子: sand, grit...
黑暗: dark, darkly, darkness...
客运: passenger transportation, (Tw) intercity bus...
海洋: ocean...
畅通: unimpeded, free-flowing, straight path, unclogged, move without obstruction...
现状: current situation...
有利: advantageous, to have advantages, favorable...
两侧: two sides, both sides...
