Greater improvements may be seen in the elderly, said researcher Emma Wightman, because blood flow to the brain naturally decreases with age. 研究员怀特曼艾玛称,老人的体内可以发现更大的改善,因为随着年龄的增长流向大脑的血液自然减少。
But Mr Rowland is the chief executive of Yo sushi, a largish British restaurant chain with overseas ambitions, and Mr Wightman is his group executive chef. 不过,罗兰是胸怀海外扩张野心的英国大型连锁寿司店yosushi的首席执行官,而怀特曼是该集团的厨师长。