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單元4. Tricky Words（容易混淆的字詞）
Efficient vs. Effective
● efficient
英譯：something or someone that works in a quick and organised way
解釋：有效率的
例句：
The online banking system offers a convenient and efficient way to check my savings account.（網路銀行提供我方便又有效率的方式，查詢儲蓄帳戶。）
● effective
英譯：something that gives you the results you want
解釋：有效（用）的
例句：
Taking this tablet is very effective for travel sickness.（吃這顆藥對暈車非常有效。）◇
