translation.en: The good news is that, with a little bit of habitat restoration and fewer flights, the frog populations, once diminishing during the 1980s and early '90s, have pretty much returned to normal.
translation.zh: 好消息是，由于栖息地的恢复、 飞机噪音减少了影响， 在 80 年代和 90 年代初 一度递减的青蛙数量 现已几乎回到正常