帮我检查这句话的语法（英语）Because the noise comes from the pinion and rack when joggling.
问题描述：
帮我检查这句话的语法（英语）
Because the noise comes from the pinion and rack when joggling.
答
Because the noise comes from the pinion and rack(s) when joggling.
答
用because就成了原因状语从句,而没有主句,这是错的.所以应去掉because,而成为一个简单句.
答
用since开头,别用because,别扭.
另外同意一楼的,严格来说racks是对的.
答
口语就没有问题， 如果是书面语的话， 最好不要用Because 开头。