英语翻译by allowing us to share your email with the advertiser,y

英语翻译
by allowing us to share your email with the advertiser,you will get paid up to $1.00 per each ad you view,and up to $0.5 for every member you referred and that view these ads!
YOU can make hundreds of $$$ a month with these new ads!
我想问一下那个byallowing是什么意思,还有,后边的and up to $0.5 for every member you referred and that view these ads!,那个up