producing desired results through effective and efficient use of time, resources, and effort

富有成效的, 有效的
achieving the intended or desired result

有效的, 具有效力的
(of a system or machine) achieving maximum productivity without wasting much time, effort, or money

高效的, 有效率的
offering assistance or support, making tasks easier or problems more manageable for others

有帮助的, 帮助性的
providing help when needed

有用的, 实用的
capable of being utilized effectively for its intended purpose

可用的, 适用的
(of an author, artist, etc.) having a high level of productivity or creativity, especially in producing a large quantity of work or ideas

多产的, 丰饶的
productive and leading to positive outcomes or results

富有成效的, 成果丰硕的
producing good results without costing too much
achieving the intended purpose or desired result

有效的, 有成效的
capable of producing a lot of profit or earning a great amount of money for someone

有利可图的, 盈利丰厚的
lacking purpose or function, and unable to help in any way

无用的, 没用的
not achieving the desired outcome or intended result

无效的, 不奏效的
ineffective in producing positive or meaningful outcomes
not able to achieve maximum productivity or desired results
not providing any assistance in making a situation better or easier
producing results that are contrary to what was intended

适得其反的, 反效果的
holding such great value or importance that it cannot be measured or replaced

无价的, 不可估量的
