# 一般而言,大腦天生就能偵測變化。通常,當某些情況穩定時,表示環境很安全;但當情況快速發生變化,也許就有危險了——《為什麼要戀愛》
×
Sign in
Email
Password
Forgot password
or
By clicking below, you agree to our
terms of service
.
Sign in via Facebook
Sign in via Twitter
Sign in via GitHub
Sign in via Dropbox
Sign in with Wallet
Wallet (
)
Connect another wallet
New to HackMD?
Sign up