YSK: Many Terms of Services have a "forced arbitration" clause, meaning you agree not to sue them in a legal court. You can sometimes opt-out within 30 days of enforcement. Always check to see if and how you can.
from /r/YouShouldKnow
YSK：許多服務條款都有 "強制仲裁 "條款，這意味着您同意不在法院起訴他們。您有時可以在執行後30天內選擇退出。請務必查看是否可以以及如何選擇。