Before, searching within a book was already one of the most useful features of Google Books, but search results were only displayed in a small sidebar.
书内搜索本已是Google Books最有用的功能，但其搜索结果只能在一个小边栏中显示。
Use only one time management system. Whether you choose an electronic or paper system, one consistent system will eliminate much wasted time spent searching for information.
至少使用一个时间管理系统。不管你是使用电子的还是纸质的，一个持续使用的系统将会在搜寻信息方面减少很多时间的浪费。
To one searching the happiness of the nation and local people, it is not enough only according to consider the relation with the countries around.
对一个寻求本国和本国人民幸福的人来说，只根据与近邻国家的关系来考虑国内的形势是不够的。
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