Methodology is the set of methods and principles you use when you study a subject or do a particular kind of work — the “how,” and often the thinking behind the how. A scientist’s methodology might include experiments, measurements, and rules for what counts as evidence. A teacher’s methodology might be the principles behind how they teach.

methodology方法論 is the set of methods and principles是一套方法和原則，you use when you study a subject or do a particular kind of work你研究一個學科或做某種工作時會用到的——the "how," and often the thinking behind the how也就是「怎麼做」，通常還包含這個怎麼做背後的想法。a scientist's methodology科學家的方法論 might include experiments, measurements, and rules for what counts as evidence可能包括實驗、測量，還有什麼才算證據的規則。a teacher's methodology老師的方法論 might be the principles behind how they teach可能就是他們教學方式背後的原則。

In careful use, a method is one way of doing something; methodology is the whole system, and sometimes the study of those methods.

in careful use用得精確一點的時候，a method is one way of doing somethingmethod 是做一件事的一種方式；methodology is the whole systemmethodology 是整套系統，and sometimes the study of those methods有時候也指對這些方法的研究。

People do stretch it, though. In offices and student essays, methodology often just means “our methods,” and many readers accept that looser use.

people do stretch it, though不過人們確實會把這個字用得比較鬆。in offices and student essays在辦公室和學生的報告裡，methodology often just means "our methods"methodology 常常就只是指「我們的方法」，and many readers accept that looser use而很多讀者也接受這種比較鬆的用法。

The word feels formal. You will hear it in universities, research, and reports more than in everyday chat.

the word feels formal這個字給人的感覺很正式。you will hear it in universities, research, and reports你會在大學、研究、報告裡聽到它，more than in everyday chat比在日常聊天裡聽到的多。