an annual growth rate of ...
年…の成長率
an approval [a popularity] rating
（政府などの）支持率
an assumed growth rate
推定成長率
an audience rating
視聴率
an efficient method [way]
効率のいい方法
an efficient system
効率的なシステム
an honest answer
率直な答え
an indiscreet remark
軽率な評言
an ingenuous opinion
率直な意見
an unthinking insult
軽率で無礼な行為
