Mandarin and Cantonese dual-channel switching, ah kids like bulls ~ listen to mom's voice, such nagging is so desolate, but why do I want to laugh: <div class="infovideo"><embed height="400" width="480" wmode="opaque" allowfullscreen="true" allowscriptaccess="always" type="application/x-shockwave-flash" src="http://www.tudou.com/v/K-SD_m_-UJA/v.swf"></embed></div>