我们需要优化生产流程以提高效率。

We need to ___optimise our production process to improve efficiency.

程序员优化了代码，使程序运行得更快。

The programmer ___optimised the code to make the program run faster.

我们需要优化生产流程以减少浪费。

We need to ___optimise the production process to reduce waste.