effective
🇺🇸
/ɪˈfektɪv/
🇬🇧
/ɪˈfektɪv/
working well and giving the results you want
This medicine is effective at reducing pain.
這種藥物能有效減輕疼痛。
real or actual, even if not official
The new policy has made an effective change in how we work.
新政策實際上改變了我們的工作方式。
starting to be used or in effect
The new rules become effective next month and will be effective immediately.
新規則將於下月生效並立即有效。