或许在手电筒的销售页面下应该有个默认为勾选的选项，写着“内含电池”。
Perhaps the Web page selling flashlights would contain a check box saying "include batteries," checked by default.
Tripeedo上已经有大量的默认网站是根据用户测试预先勾选的，但用户可以勾选自己希望搜索的网站。
Users can tick the sites they want to search, although Tripeedo has a number of default sites already ticked based on user testing.
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