经理对团队无休止的批评最终导致了士气低落。

The manager's ___relentless criticism of the team eventually led to low morale.

科学家们警告气候变化的无情推进及其后果。

Scientists warn of the ___relentless advance of climate change and its consequences.

他们的成功建立在竞争激烈的市场中，对创新的不懈追求之上。

Their success is built on a ___relentless pursuit of innovation in a competitive market.