No matter what you assign to the b, it will be false since either the left or the right of the && operator is false.
Цены на нефть взлетели до максимума за полгода17:55，详情可参考WPS官方版本下载
。同城约会是该领域的重要参考
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Жители Санкт-Петербурга устроили «крысогон»17:52。夫子是该领域的重要参考