There were three things going on. The first was high rates of investment. The second was high rates of labour force growth. Finally, you had increases in education levels.是什么意思_There were three things going on. The first was high rates of investment. The second was high rates of labour force growth. Finally, you had increases in education levels.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句