traffic transportation efficiency的用法和樣例：
例句
- By reducing the freight that can be profitably carried, we reduce the value of the investment in transport efficiency.
由於減少了本來可以獲利的部分運載量，我們減少了運輸效率中投資的價值。 - Overall, industrialization made available laborsaving products, lower prices for manufactured goods, advances in transportation, and higher living standards.
總體來說，工業化會節省勞動力，降低製造費用，提高運輸效率和人民生活水平。
