读了，这个也是忽悠，就取样30人，结论是were more likely； 哈哈

In its comprehensive assessment of diesel exhaust, OEHHA analyzed more than 30 studies of people who worked around diesel equipment, including truck drivers, railroad workers and equipment operators. The studies showed these workers were more likely to develop lung cancer than workers who were not exposed to diesel emissions

所有跟帖： 

• 喜欢吸柴油机排放也是一种瘾，和其他毒品瘾没什么两样 -坚茂- ♂ (0 bytes) () 09/25/2015 postreply 14:10:02

• 你这是扯东扯西，整个胡椒 -修车工- ♂ (0 bytes) () 09/25/2015 postreply 14:46:12

• 刚刚读了一下坚兄的OEHHA报告，它说的是30 studies而不是30人。 -QYZ- ♂ (0 bytes) () 09/25/2015 postreply 14:48:06

• 嗯 -soccer88- ♂ (0 bytes) () 09/25/2015 postreply 15:36:36