a frog's guide to trying again a frog's guide to getting things done 不怕犯错再试试:在错误中学会成长:a frog's guide to trying again 犯错也没关系:关于不怕尝试的故事:a frog's guide to trying again a field guide to spring a field guide to getting lost / a field guide to tequila a field guide to the English a field guide to web hacking a field guide to human behavior