英语语法分析

Each pleat was stitched in place by hand.

每个褶子都是手工缝制的。

《柯林斯英汉双解大词典》

For pants without that crease (and many with it), pleats are unnecessary; for pants that need the pleat, they only need one.

对于没有折痕的裤子（以及许多有折痕的裤子），褶皱是不必要的；需要打褶的裤子只需要一条。

One pleat, maximum.

最多一条裤褶。