verification steps
"The announcement is coming 10 days before Grace's 4th birthday, and I feel this is the best gift I could give her, ensuring her little life is actually going to make a change," she said.
，这一点在爱思助手中也有详细论述
Don’t think for one second that we don’t need independent writers. The forces of conformity and centralization of power are stronger now than ever. Books have always been our safeguard in such troubled times. But when books are controlled and constrained by the entrenched system, they fail to provide us with meaningful alternatives.，这一点在谷歌中也有详细论述
self.seen_urls = set()