To learn is rather a painstaking and persevering business.Many a man is a failure because he cannot bear such indispensable hardships.是什么意思_To learn is rather a painstaking and persevering business.Many a man is a failure because he cannot bear such indispensable hardships.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句