Hectic work schedules and the demands of bringing up children mean spare time for parents is at a premium, the research found.
繁忙的工作计划以及养儿育女的重担便意味着，闲暇时光对于他们来说已然是种奢侈。
For more complex setups, where IP addresses are at a premium, this method will not work.
对于更复杂的设置(在其中IP地址很宝贵)，这种方法是无效的。
Farmers are relying on increasingly sophisticated equipment to work the land and boost crop yields, placing a premium on agricultural technicians and engineers.
农民在耕作和提高农作物产量方面越来越依赖复杂的机械设备，由此造成了农业技术人员和工程师的短缺。
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