Throughout the Crossing borders series, I've addressed languages and frameworks that allow iterative improvement through reduced repetition and improved efficiency.
在整个跨越边界系列中，我介绍了通过降低重复和提高效率实现反复改进的语言和框架。
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Various approaches have been used to improve the performance of adapted indigenous stock, including cross-breeding and upgrading through back-crossing with improved breeds, and within-line selection.
Just wishing someone good luck - with "I press the thumbs for you," the German version of crossing your fingers - improved volunteers' success at a task that required manual dexterity.