in a way that gives the best possible profit or benefits in comparison with the way the money is spent 有最佳利润的;有成本效益的;划算的 Green initiatives allow you to warm your house easily and cost-effectively. 绿色倡议让你可以轻松、经济地温暖你的房子。
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
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