Discussion of 一边...一边.../一邊...一邊... [yì biān ... yì biān ...] ..., and at the same time ...(of two actions taking place simultaneously) - Trainchinese

1 - In some cases, for example, when the predicate is a monosyllabic verb, 一边 can be shortened to 边. Example: E.g. 寒假里，我们在雪地上边跑边喊，十分开心。 [phr] During the winter vacation, we ran and shouted in the snow, and feeling very happy.

在某些情形下，例如，当谓语为单音节动词时，'一边' 可简略为 '边'。例如：例如，在寒假期间，我们在雪地上边奔跑边高呼，其乐融融。