qiaohe 发表于 2012-7-18 19:09 % X# i0 W* _. n2 \4 V4 S1 L0 E
"低风险投资回报 around 15%" means4 J% `# I0 P; e: v
+ or - 15%
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"低风险投资回报 around 15%" means about 15%, could be 13%-19% per year, could be 6%-23% per year, 1 Z- U. U, R" k* m. {# X. m3 e9 P: q9 q
average is about 15%