For women, the association may be attributable to changes in immunity that resulted from excess abdominal fat; in men, the immune system did not appear to be involved. 对于女性来说,这一联系可能归因于腹部脂肪过多导致的免疫力变化;对于男性来说,(这种联系)似乎并不涉及免疫系统。
Their illnesses are attributable to a poor diet. 他们的病可能是不良饮食所致。