However, with the industrial sector accounting for only about 15 per cent of US GDP, and the monthly numbers considered erratic, some commentators were more sanguine.

• 然而，由于工业部门仅占美国国内生产总值(GDP)的15%25左右，加上人们认为月度数字波动性较大，因此一些评论人士较为乐观。