Antibiotics were of no use, neither were other pharmaceuticals.

抗生素没有用，其他药物也没有用。

《柯林斯英汉双解大词典》

Even the doors that were not locked were of no use to the workers.

即使那些没有上锁的门对工人们来说也形同虚设。

youdao

The GAO found that direct-to-consumer (DTC) genetic test results were "misleading and of little or no practical use to consumers.

GAO发现直接面向消费者（DTC）基因检测的结果是“对消费者的误导，对消费者罕有或没有实际的用处。”

youdao

Result of routine laboratory tests showed no significant changes, suggesting that there were no side-effects associated with the use of aromatherapy.

FORBES: Pharma's Reputation Continues to Suffer -- What Can Be Done To Fix It?

He said there were no plans to widen the use of breathalysers, but agreed that "irresponsible" sales of alcohol - particularly drinks sold at a loss - needed to be controlled.

BBC: Oral questions

Rather, it found that although both forms of treatment were better than a placebo, there was no statistical difference between the results from the use of talk therapy and the popping of Lexapro.

ECONOMIST: Medical journals and ethics