智能手机的兴起标志着传统手机的终结。

The rise of smartphones marked the ___end for traditional mobile phones.

这种稀有鸟类正处在灭绝的边缘，野外仅存不到50只。

The rare bird species is on the ___edge, with fewer than 50 individuals left in the wild.

公司重组后，许多员工收到了平等就业机会通知书。

After the restructuring, many employees received their ___EOE letters.