员工必须爱惜并节约地使用更衣室设备。
Staff must use Staff Locker Room facilities with care and without wastage.
本章还给出了一个算法改造实例，说明改造后的算法能比原有的算法更节约地使用波长资源。
A changed algorithm is presented in this section, and the result shows that changed algorithm can reduce the using of wavelength resource than the previous one.
伊恩·库克是新专责小组的一员，他说有一种建议是让非洲的诊所更节约地使用这些药物，虽然这样降低了成功率，但是却可以使治疗更加便宜。
Ian Cook, a member of the new task force says that one suggestion is for African clinics to use these drugs more sparingly, giving a lower success rate, but making the treatment much cheaper.
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