I fear the senator has outlived his usefulness.

恐怕这位参议员已经老而无用了。

But guano might not have outlived its usefulness just yet.

但鸟粪并没有因此失去利用价值。

At the time, it seemed to me that the program had outlived its usefulness and no longer had a place in our leaner, more nimble company.

当时，在我看来，该程序已经失去了它的用处，在我们更精简、更灵活的公司中不再占有一席之地。