They understood that acquiring physical handsets or deferring to emulators and simulators were not appropriate or cost-effective alternatives to live handset testing.

他们了解，利用物理手机或使用仿真器和模拟器对于实时的手机测试来说是不适合的或不节省成本的。

youdao

Appropriate storage conditions ensure that records are protected, accessible and managed in a cost-effective manner.

适当的储存条件可确保档案能以符合成本效益的方法，被保护、存取、及管理。

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When considering their technological options, an organization may consider the use of the best available technology where economically viable, cost-effective and judged appropriate.

对技术的选择，可根据自身的经济条件，考虑选用效益高、成本低，适于应用的最佳可行技术。

youdao

Immigration and Customs Enforcement officials say they had reviewed several hundred cases of immigrants and decided to put them on an "appropriate, more cost-effective form of supervised release" in a move started Tuesday.

NPR: How Budget Cuts Could Affect You

According to Mr Rae, combining schemes where appropriate would be more efficient and cost effective.

BBC: Public Accounts Committee

They can be very effective at that, at speeds that are appropriate to cost, and especially when tracks can be laid with minimal political holdup.

FORBES: China's High-Speed Rail, Highly Suspect