Less than 0.2 % of the sea One diving company makes this sales pitch: "Now you can see only 30 % of the world's beauty; the remaining 70 % awaits your exploration."
有家潛水公司的廣告詞這麼說：「世界再怎麼美麗，你也只能看到百分之三十，還有百分之七十的美麗世界等著你來探索。」