4 d# ]6 D6 v4 C2 B# fTheory is when you know everything but nothing works. # P) E1 k- `" d( v4 \. i8 V 0 T/ j% Z, f& [* @Practice is everything works but no one knows why. ( j, `, d- r( l; n6 ` w* Z& ]9 l- z" v+ O2 i/ `: O. E
这两天的情况是:Theory and practice are combined: nothing works and no one knows why.