求翻译：　　唐伟发明初衷就是“想研究出个能省水、省电、省空间的坐便。”可是，直到2003年，唐伟才开始专心研究。终于在2009年，废弃了4个半成品后，亲手做出了理想中的样品。是什么意思？

The original intention of Timothy W. Tong, the invention is "If you want to come up with a can of water, power, space potty." However, until 2003, Timothy W. Tong, began to concentrate on research. Finally, in 2009, abandoned the four semi-finished products are made in the ideal sample.