The annual net sales of 500 state key wholesale and retail enterprises reached 248.7 billion Yuan,down by 1.1 percent over 1997,and the gross profit ratio was 10.3 percent,down by 0.7 percentage points.是什么意思_The annual net sales of 500 state key wholesale and retail enterprises reached 248.7 billion Yuan,down by 1.1 percent over 1997,and the gross profit ratio was 10.3 percent,down by 0.7 percentage points.在线翻译_英语_读音_用法_例句