Definition: the degree to which something achieves its intended result Level: C1
人们对这种药物的疗效存有疑问。
There are doubts about the ___effectiveness of the drug.
如果做到这一点，课程的效果无疑会得到提高。
If this is done, the ___effectiveness of the lessons will no doubt be increased.
提高员工培训的效果是管理层的优先事项。
Improving the ___effectiveness of staff training is a priority for management.
