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我们出售可验证的技能，而非一张裱起来就忘记的证书。以下是用通俗语言说明的会员包含内容、免费试用和取消方式，以及计划变更的处理方式。
One price, everything in the academy: every course as it ships, the full Labs workshop of buildable projects, every proof and eval, spaced recall, leagues, and certificates that resolve at a public /verify link anyone can open. New courses are added at no extra charge while you’re a member.
You can read a full lesson free — no card, no account required. When you’re ready, every plan starts with a 7-day free trial: full access, and we remind you before it renews. If it isn’t for you, cancel during the trial and you’re never charged.
Cancel from your account in two clicks — no “call to retain,” no hidden downgrade path. When you cancel, access runs to the end of the billing period you already paid for; there is no partial-period refund. Your certificates keep resolving at their public links after you leave — proof you earned stays yours.
Upgrade from monthly to annual anytime and the unused days on your current period are credited automatically — you never pay for the same week twice. Team seats are per-person and reassignable by an admin at no cost.
一份工作，或退款保证。招聘涉及运气、时机和我们无法控制的人，我们不提供退款——所以我们不假装提供。我们提供的是诚实的：付费前免费试听，7天试用，随时取消无锁定，以及真实、可验证代码的成果证明。