# 提高獲利最穩當的方法是降低成本,現代技術、尤其是數位技術提供無限種結合材料及重組材料以降低成本的方法(減量、替代、優化與蒸發)——《以少創多》
×
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