effectiveness
US /əˈfek.tɪv.nəs/
UK /ɪˈfek.tɪv.nəs/
名詞
有效性, 效力
the degree to which something is successful in producing a desired result; success
範例:
•
The effectiveness of the new policy is still being evaluated.
新政策的有效性仍在評估中。
•
We need to improve the effectiveness of our marketing campaigns.
我們需要提高行銷活動的有效性。