Adjectives of Utility

高效的, 富有成效的

The productive meeting resulted in several innovative solutions to the problem.

富有成效的会议产生了几个针对该问题的创新解决方案。

有效的, 高效的

The effective marketing campaign boosted sales significantly.

有效的营销活动显著提升了销售额。

高效的, 多产的

By implementing new organizational systems, she was able to become more efficient at managing her workload.

通过实施新的组织系统，她能够更高效地管理工作量。

有帮助的, 乐于助人的

He offered a helpful suggestion on how to improve the design.

他提出了一个有帮助的建议，关于如何改进设计。

有用的, 实用的

The first aid kit is packed with supplies, making it incredibly useful in emergencies.

急救箱装满了用品，使其在紧急情况下非常有用。

可用的, 实用的

The old computer, although slow, was still usable for basic tasks.

那台旧电脑虽然速度慢，但对于基本任务仍然可用。

多产的, 高产的

The prolific writer published several novels in a single year.

这位多产的作家在一年内出版了几部小说。

富有成果的, 多产的

The meeting was fruitful, leading to new ideas and solutions.

会议富有成果，带来了新的想法和解决方案。

划算的, 经济的

Investing in energy-efficient appliances proved to be cost-effective in the long run, saving money on electricity bills.

投资节能电器被证明从长远来看是划算的，可以节省电费。

有效的, 灵验的

The medication proved to be efficacious in treating the patient's symptoms.

该药物在治疗患者症状方面被证明是有效的。

有利可图的, 赚钱的

The real estate market in the city is highly lucrative for investors.

这座城市的房地产市场对投资者来说非常有利可图。

无用的, 无效的

The broken watch was useless and couldn't tell time anymore.

坏掉的手表没用，再也无法显示时间了。

无效的, 不起作用的

The medication proved to be ineffective in treating the patient's condition.

该药物在治疗患者病情方面被证明是无效的。

无成效的, 无效的

The unproductive meeting wasted everyone's time and didn't generate any new ideas.

这次无成效的会议浪费了大家的时间，没有产生任何新想法。

低效的, 效率低下的

The inefficient process caused delays and wasted resources.

低效的流程导致了延误和资源浪费。

无益的, 没有帮助的

His unhelpful comments only made the situation worse, adding unnecessary tension.

他无益的评论只会让情况变得更糟，增加了不必要的紧张。

适得其反的, 产生与预期相反的结果的

His constant interruptions during the meeting were counterproductive, derailing the discussion.

他在会议中不断的打断是适得其反的，使讨论偏离了轨道。

无价的, 非常宝贵的

Her advice was invaluable in helping me make the right decision.

她的建议在帮助我做出正确决定方面无价。