这就是为什么给失业者帮助是一种有效刺激；这也说明削减低收入工人的税收对增加需求是有相应作用的。
That's why aid to the unemployed is an effective stimulus; it also suggests that tax cuts for lower-income workers will be relatively effective at raising demand.
怀孕时机体对铁可以更有效的吸收；因此，怀孕时吸收更多的铁对于提供给宝宝足够的氧气有重要作用。
The body absorbs iron more efficiently during pregnancy; therefore it is important to consume more iron while you are pregnant to ensure that you and your baby are getting enough oxygen.
结论：针刺督脉穴对海洛因依赖戒断综合征症状有辅助治疗作用，能有效缓解戒断症状。
Conclusion Acupuncture on points of the Governor Vessel has an adjuvant therapeutic effect on heroin dependence withdrawal syndrome and can effectively relieve abstinence symptoms.
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