Many dogs act out their boredom and loneliness by barking, destroying stuff, digging, and urinating or defecating in unexpected places.
许多狗靠叫唤、毁东西、刨地和随地大小便来表达它们的无聊和寂寞。
In 2008, 2.6 billion people had no access to a hygienic toilet or latrine and 1.1 billion were defecating in the open.
2008年，有26亿人不能获得卫生厕所或茅厕，11亿人需要在露天排便。
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