Reformism

改良───improvement;主义───doctrine

The composition is all right, but there is room for improvement.───这篇作文还不错, 不过还可以改进.

There has already been a definite improvement.───已经有了显著的改善。

To learn a language we must follow the principle of gradual improvement.───学习语言必须遵循循序渐进的原则.

The system we introduced in 1980 has been a great improvement.───我们1980年引进的系统有了很大改进。

There is a distinct improvement in your spoken English.───你的英语口语有明显的进步.

The relations between the two countries have shown some improvement.───两国关系已有所改善.

Lonrho's mining and minerals businesses showed some improvement.───朗荷公司的采矿及矿产业务有了些起色。

This may have been an improvement, but "breakthrough" was an overstatement.───这算得上是一个改进吧，但说是“突破”就言过其实了。