If one has no answer or lacking knowledge has to Keep Silence whatelse they can do ??
[img_assist|nid=48678|title=|desc=|link=none|align=center|width=|height=0]
If one has no answer or lacking knowledge has to Keep Silence whatelse they can do ??
[img_assist|nid=48678|title=|desc=|link=none|align=center|width=|height=0]