求翻译：　　设计：简约、自然最佳。低碳家装要从源头是什么意思？

　　Design: simple, natural best. Low carbon home to start from source--design. First, the "light decoration, decoration" design concept, you can have the overall project "carbon emissions" come down, in addition to low carbon home costs "the burden". Secondly, on the design space should consider the use of natural resources, natural ventilation, multi-directional lighting, use less air conditioning and lighting equipment. With a special energy-saving system, like infrared induction lighting switch system "go the lights" to save electricity.