It's true that scientists don't know exactly how much world temperatures will rise if we persist with business as usual.
He urged the United States to persist with its efforts to bring about peace.
Hiccups no longer serve a function, but they persist without causing us harm-aside from frustration and occasional embarrassment.
She thinks this may be one reason why they persist with video games despite temporary setbacks.
Don't persist with a task if you feel too much stress because it may harm your mental and physical health.
