Life on Earth will become unsustainable unless population growth is held in check.人口增长要是不加控制的话，地球上的生命将无法持续发展。The story in Estonia and Lithuania is similar — and looks equally unsustainable.爱沙尼亚和立陶宛情形也与之相似,都不能持续下去.No one ...
他给人的感觉是特别偏爱穿跑步鞋。He has demonstrated a strong preference for being shod in running shoes.我跑步很不错，正在考虑参加一些比赛。I run so well I'm planning to enter some races.这么说，你是个跑步爱好者喽？So you're a runner, huh?...