it is only （when they advertise ）falsehood and misleading information that abuse comes in.我想请问下,括号里的是什么从句,还有abuse在定语从句中做名还是动词,最后再帮我翻译下这句话,

it is only （when they advertise ）falsehood and misleading information that abuse comes in.我想请问下,括号里的是什么从句,还有abuse在定语从句中做名还是动词,最后再帮我翻译下这句话,
it is only （when they advertise ）falsehood and misleading information that abuse comes in.我想请问下,括号里的是什么从句,还有abuse在定语从句中做名还是动词,最后再帮我翻译下这句话,

it is only （when they advertise ）falsehood and misleading information that abuse comes in.我想请问下,括号里的是什么从句,还有abuse在定语从句中做名还是动词,最后再帮我翻译下这句话,
这里主要的句型是 It is...that..的强调句
这里强调了时间状语when they advertise falsehood and misleading information；
abuse 在这里是名词意思为 滥用