Definition: to begin a period of time Level: C1
这场冲突已经进入第二个十年。
The conflict has ___entered its second decade.
这家公司正在进入运营的第五年。
The company is ___entering its fifth year of operation.
随着我们进入一个新时代，挑战与机遇并存。
As we ___enter a new era, challenges and opportunities arise.
