长沙铝扣板:请问By checking the box you agree to be bound by our Terms of Membership是什么意思？

请问By checking the box you agree to be bound by our Terms of Membership是什么意思？ 请问rogered at the rail’by one and all是什么意思？ 请问《By the river dark》是谁唱的？ by the exercise是什么意思 by the sideof造句 by the time是什么意思？ by the end是什么意思 Save by the Bell by the window 是什么意思？？ 请问后面半句的意思??subsequent to the first disposition thereof by the author