"efficacy" in Chinese (Traditional)

• 功效
• 效能

Definition

功效是指某種事物（如藥物或方法）達到預期效果的能力。

Usage Notes (Chinese (Traditional))

多用於正式或學術語境，特別是科學、醫學、研究（如“疫苗的功效”）。不用來形容人，通常描述理想或受控情況下的成效。

Examples

The efficacy of the new drug was tested in the laboratory.

在實驗室測試了這種新藥的**功效**。

Scientists study the efficacy of vaccines before using them widely.

科學家會在廣泛應用疫苗前研究其**效能**。

There is still debate about the efficacy of this method.

關於這種方法的**效能**仍有爭議。

We're waiting for more data to confirm the efficacy of the treatment.

我們正在等待更多數據來證實這種治療的**功效**。

Herbal remedies often lack clear evidence of efficacy.

草藥療法往往缺乏明確的**療效**證據。

If the efficacy isn't proven, insurance companies won't cover the cost.

如果**功效**沒有得到證實，保險公司不會承擔費用。