As we enter the second decade of the 21st century, we are heralding the dawn of a new era full of hope and challenges.

站在21世纪第二个10年的起点，我们迎来了充满希望和挑战的新时期。

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In 1976, incumbent President Gerald Ford challenged Democratic nominee Jimmy Carter to a debate, heralding a new era of presidential debates.

CNN: Student News One-Sheet: Debates

Heralding a new era of treatment for these patients, the study of 699 elderly patients showed that similar rates of death and symptoms at 1 year.

FORBES: Breakthrough Heart Valves: How Will Patients Decide?

They view the calendar as portending the end of one era and heralding the start of a new one, not the death of all the world's species.

CNN: The end of the world? Not quite yet