You are right!/ F$ a |; R) u5 g6 {+ G4 i S8 C
serger [) {; y8 _3 b/ Y8 @+ _
拷邊機 $ q' n6 ]. K+ A2 W serger $ {2 d3 ~: N6 O) q* r0 s/ K: J# J n : a sewing machine that overcasts the raw edges of a fabric/ c, v2 \- z, M( G) d! a6 d7 r# O
with a V-shaped stitch! r+ `8 b7 Z( c& i