Self-increase operation and the self-reduction operation are the operations used in C language, they can only act on the variable, not act on the constant or the expression.

自增自减运算是C语言常用的运算，它只能作用于变量，不能作用于常量或表达式。

youdao

The method removes impurities by synthesis process and self-reduction process of the catalyst and realizes metallization of the active component and high dispersion.

本法通过催化剂的合成和自还原过程去除了杂质，实现了活性组分的金属化和高分散化。

youdao

John Edwards (D-NC), the vice presidential nominee in 2004, used an S-Corp to reduce his self-employment tax (the S-Corp loophole) on tens of millions of dollars in legal fee income, whereas Gov. Romney did not seek to use this S-Corp. self-employment tax reduction strategy.

FORBES: Mitt Romney Is Hardly A Pig When It Comes To Tax Deductions

An example given in this video is the reduction of local self-sufficiency in popular and effective herbal medicines such as Nardostachys grandiflora and Picrorhiza scrophulariifolia.

UNESCO: Communication and Information

Emissions are falling by less than a percentage point a year, and the government has admitted that it will fail to meet a self-imposed target of a 20% reduction in carbon-dioxide emissions on 1990 levels by next year, even though the recession has cut economic activity.

ECONOMIST: Lessons from Britain about how to cut carbon, and how not to