If turtle soup is legally on the menu its source will be a freshwater species such as the North American snapping turtle.

但只要菜单上的龟汤合法，那么淡水龟种，比如北美的啮龟，就将成为原料来源。

It says freshwater species have fallen by 76 percent. That is almost twice the loss of land and ocean species.

它说淡水物种已经减少了 76%。 这几乎是陆地和海洋物种损失的两倍。