But if you originally chose your strategy based on its long-term returns, the chances are good that recent performance won't justify throwing in the towel.

Exceptional performance of normal duty will not alone justify an award of this decoration.

"Certainly the spread's historical performance did not justify the trade," he wrote in a newsletter.

Such comparison cannot justify that performance - nothing can justify leaving 20,000 properties empty for more than a year.

Certainly, Grubb's performance in the early part of the year could have justified a firing.

The performance, and the work, justified the remark.

The performance of the new aircraft did not justify the cost of the conversion, and Boeing abandoned the project.

As a result, they are found where improved properties and performance can justify the added cost.

It would appear that the slightly superior performance of the complex algorithm does not justify the increase in execution time.

"Improved performance has justified massive cost increases and this makes contractors ill suited to compete with products made at a reasonable price."