- 問題詳情:TheWorldWildlifeFund(WWF)saysmorethanhalfoftheworld’swildlifepopulationhasbeenlost,whichtheconservationgroupsayshasplacedthehealthoftheplanetatrisk.TheWWFrecentlyreleasedits10thFlagshipLivingPlanetReport.Thegroupwarnstheconditionoftheworld'...
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