Nissan had high costs compared with other auto makers,said Yukihito Eguchi,a company spokesman,and set bout trying to reduce them when the yen began to rise.

• 日产一位发言人江口由纪仁说，与其他汽车制造厂相较，日产的成本偏高，故在日元升值时即已开始设法降低成本。