For Mao, diamonds are not just gems--they are the perfect material, because "they possess many outstanding characteristics you can't find in any other."
「鑽石作為寶石，其實是『大材小用』了，」對毛河光來說，鑽石不只是寶石，更是完美的材料。「鑽石具備許多不可多得的優質特性，是其他材料無法取代的。」