issue

Compared meaning: something talked about or thought over (noun).

比较义项：话题、事情、议题（名词，谈论或思考的对象）。

• topic

  Neutral word for any subject chosen to discuss, write about, or think over; carries no hint of trouble. Common with 'discuss a topic' or 'topic of conversation'.

  中性词，指选定来讨论、书写或思考的对象，不带任何“有问题”的意味，常与 discuss a topic、topic of conversation 搭配。

  Let's change the topic before things get awkward at dinner.

  在晚餐变得尴尬之前，我们换个话题吧。

• issue 本词

  Adds the sense of a problem or point of disagreement that needs addressing or debating; typically follows verbs like 'raise', 'address', or 'deal with'.

  带有“问题、分歧”的含义，指需要处理或辩论的事项，常与 raise、address、deal with 等动词搭配。

  The team finally raised the issue that no one wanted to discuss.

  团队终于提出了那个没人愿意谈的问题。

• matter

  The most general and slightly formal word for a subject, affair, or situation; common in fixed phrases such as 'as a matter of fact' or 'a legal matter'.

  最笼统、略正式的说法，泛指事情、事务或状况，常见于 as a matter of fact、a legal matter 等固定说法中。

  This case is a serious matter for the whole community.

  这件事对整个社区来说是一件严肃的事情。

All three mean the thing talked about or thought over. Topic is neutral, with no hint of trouble. Issue adds a problem or disagreement needing attention, often after 'raise' or 'address.' Matter is the most general and slightly formal word.

这三个词都可以指“被谈论或思考的对象”，但语气和正式程度不同：topic 中性，指选定谈论或写作的话题；issue 带有“问题、争议”的意味，往往需要处理或解决；matter 最笼统、略正式，常出现在固定说法中，如 as a matter of fact、a legal matter。这里不比较 issue 的“发行、期号”义，也不比较 matter 的“物质”义。

Compared meaning: to formally make something available (verb).

比较义项：正式发布或推出某事物（动词）。

• issue 本词

  Issue is formal and official, used when an authority produces and supplies something such as documents, currency, or permits, without necessarily implying public release.

  issue 语气正式、带官方色彩，指权威机构正式签发或提供某物（如证件、货币或许可证），不一定意味着面向大众公开。

  The government will issue new identity cards starting next year.

  政府将从明年开始签发新的身份证。

• publish

  Publish specifically means making written or printed material, such as books or research, available to readers through a formal media or print process.

  publish 特指通过正式的出版或媒体渠道，将书籍、研究等文字作品提供给读者阅读。

  The professor will publish her research in a leading journal.

  这位教授将把她的研究发表在一份权威期刊上。

• release

  Release stresses the moment something previously withheld, such as music, films, or information, is first made available or public.

  release 强调把此前未公开的内容（如音乐、电影或信息）首次公开或推出的那一刻。

  The band will release a surprise single at midnight.

  这支乐队将在午夜发布一首惊喜单曲。

Issue, publish, and release all mean to formally make something available. Issue is formal, used when an authority supplies documents or permits. Publish means making written material available to readers, like books. Release stresses something withheld becoming public. Issue can mean "a problem," not compared.

这三个词在“正式发布或推出某事物”这一意义上相近，容易混淆，但侧重不同：issue 强调由权威机构正式签发或供应；publish 特指以印刷或媒体形式向公众提供文字作品；release 强调把此前未公开的内容首次公之于众。这里不比较 issue 作名词表示“问题”的意思（词库例句中的 fix the issue 用的就是这个不同的名词义项）。