Looking further back, if you had to choose between the material progress of the 20th century and the improvements in health, it would be a toss-up.是什么意思_Looking further back, if you had to choose between the material progress of the 20th century and the improvements in health, it would be a toss-up.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句