The editor will mark the validation errors with red marks on the left and rightsides, and add a red wavy underline to the invalid syntax.
编辑器会左右两侧用红色标记标明验证错误，并给无效的语法加一条红色波浪型的下划线。
2
This involves stimulating both the left and rightsides of the heart, in order to synchronise their contraction.That, in turn, improves the pumping action.
此类治疗通过对心脏左右两部分的刺激来实现二者的同步收缩，进而改善心跳。
3
This means that neither the left nor rightsides of a container have any spacing.