女人的谈判策略固然有效，但是，许多社会家庭和公共政策也必须得以改正。

For women's negotiation tactics to be effective, however, much has to change in society at both the household and public policy levels.

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然后看你的解决方法是否有效，但也要准备着在需要是随时改正它。

Then see if your solution works, but be ready to revise it if necessary.

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他补充说：“这将成为帮助肥胖家庭改正不良饮食习惯的有效工具。”

He added: ‘It will be a powerful tool to help families retrain their eating habits.’

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