狠狠撸shows by User: opadro / http://www.slideshare.net/images/logo.gif 狠狠撸shows by User: opadro / 狠狠撸Share feed for 狠狠撸shows by User: opadro https://cdn.slidesharecdn.com/profile-photo-opadro-48x48.jpg?cb=1523053265 Millones de personas vieron una manzana caer, pero Newton fu茅 el unico que pregunt贸 porqu茅. Bernard M. Baruch