sweat of the brow
額に汗して
正直に働いて
Copyfraud
Fair use (complement to avoid abuses)
Lockean Classical liberalism
Labour theory of value
Database right
Sweat equity
Threshold of originality
/suto3/google.iconsweat of the brow
image sweat of the brow
define sweat of the brow
wikipedia sweat of the brow
weblio sweat of the brow
kotobank sweat of the brow
jisho sweat of the brow