First you must find out the clause of the quality problems and furnish sufficient evidence.
首先你的查查有关质量问题的条款,并提供足够的证据。
I don't think there are. But there are more men than women scientists. And more men than women are heads of companies.
我想没有。但是,男科学家比女科学家多。而且,各公司的负责人中,男人要比女人多。