Mark geddes is a divemaster for a popular Great Barrier Reef water adventure group.
马克·格迪斯是有名的大堡礁水下冒险运动团体的潜水师。
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But, says Diana Geddes (interviewed here), not everything has changed for the better.
但是，戴安娜?盖迪斯说，不是一切都向好的方向转化。
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Buy an amusing piece of costume jewellery or a cocktail ring for the surprise announcement (" a ring from a cracker will do, "says Geddes) but then work on the main event in tandem.