Fortunately, the impact of log statements on performance is minimal or nonexistent for most cases, and because the logging tools are easy to use, the learning curve is very small.

幸运的是，日志对于性能的影响很小，大部分情况下甚至根本不会对性能产生任何影响，而且由于日志工具非常简单易用，因此学习曲线也非常平滑。

youdao

Ease of use: Easy to use and short learning curve.

易用性：易于使用，学习曲线短。

youdao

And, in some cases, for example, if you know that the vector field is tangent to the curve or if a dot product is constant or things like that then that might actually give you a very easy answer.

例如，在某些情况下，如果已知向量场与曲线相切，或者内积是一个常数等等，那么结果将会很简单。

youdao

In the past a product's shape alterations would be hammered out by designers in a surface-modeling program, a tool that allows for easy curve design and concept change.

FORBES: Easy Designer

No big learning curve, just easy-breezy.

FORBES: Names You Need To Know in 2011: RockMelt, the social browser

We believe the powerful and easy-to-use BlackBerry Curve 8910 will help convince many more people in China to give up their traditional cell phone and upgrade to a BlackBerry smartphone.

ENGADGET: Research In Motion enters Chinese retail channel with BlackBerry 8910 Curve