谢邀！
结构类似的并列句，如果具有对比意味，可以省略连词，相同谓语也可以省略，例如省略动词 be。以下都是摘自《经济学人》的例句：
In the short term this avoids recognising losses, in the long term they are funnelling capital to firms which squander it.
Azerbaijan celebrates victory, Armenia grieves a loss.
America’s unemployment top-up scheme expires on July 31st, Britain’s furlough scheme at the end of October.
In the textbook example, the principal is a manager, the agents are employees.
Pierre is head gardener of their urban idyll, Anaïs a baker who keeps Paras in oats.
Spirits are flagging, the lonely are getting lonelier, the world is wilting.
