核心畫面
The thing at the bottom that everything else stands on. Picture a building's lowest layer, or the few key facts an argument rests on — take that away and what sits on top falls. basis is that load-bearing底, whether it's an idea, a reason, or a regular pattern of how things run.
可以想成最底下、撐著其他東西的那一層。像一棟建築最下面的基底，或一段論點所依靠的幾個關鍵事實——抽掉它，上面的東西就…更多收起
可以想成最底下、撐著其他東西的那一層。像一棟建築最下面的基底，或一段論點所依靠的幾個關鍵事實——抽掉它，上面的東西就垮了。basis 就是那塊承重的底，可能是一個想法、一個理由，也可能是事情運作的固定方式。原始詞典資料8 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
basisnoun/ˈbeɪ.sɪs/
- 1
A physical base or foundation.
- 1695, William Congreve, To the King, on the taking of Namur, 1810, Samuel Johnson, Alexander Chalmers (biographies), The Works of the English Poets from Chaucer to Cowper, Volume 10, page 271, Beholding rocks from their firm basis rent; Mountain on mountain thrown, With threatening hurl, that shook th' aerial firmament!
- We see here the ground-plan of masses of houses, with their upper walls of fire-baked brick on a basis of stone.
- 2
A starting point, base or foundation for an argument or hypothesis.
- I wonder if the South Korean side has any basis that its smog is from China.
- 3
An underlying condition or circumstance.
- Allow us to compete on an equal basis.
- Hodgson may now have to bring in James Milner on the left and, on that basis, a certain amount of gloss was taken off a night on which Welbeck scored twice but barely celebrated either before leaving the pitch angrily complaining to the Slovakian referee.
- 4
A regular frequency.
- You should brush your teeth on a daily basis at minimum.
- The flights to Fiji leave on a weekly basis.
- 5
agriculturebusinessfinanceThe difference between the cash price a dealer pays to a farmer for his produce and an agreed reference price, which is usually the futures price at which the given crop is trading at a commodity exchange.
- Included in the basis could be elevation, cleaning, freight by truck and/or rail, government inspection fees, administration fees, interest and storage charges as well as allowance for risk and profit for the grain dealer.
- 6
linear-algebramathematicssciencesIn a vector space, a linearly independent set of vectors spanning the whole vector space.
- 7
accountingbusinessfinanceAmount paid for an investment, including commissions and other expenses.
- 8
mathematicssciencestopologyA collection of subsets ("basis elements") of a set, such that this collection covers the set, and for any two basis elements which both contain an element of the set, there is a third basis element contained in the intersection of the first two, which also contains that element.
- The collection of all possible unions of basis elements of a basis is said to be the topology generated by that basis.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。