piece of door or units of door?

2019-06-18 6:05 pm

回答 (5)

2019-06-19 8:42 am
In English, we do not use unit on countable objects.
So, you may just say, one door, two doors, and so on.

However, you may do it in two conditions:

1. generalization
像是在統計 多樣商品(像是 包含 20個門 30個窗子) 你就可以說:

These 50 units are to be shipped in a week.

2. to avoid repetitions:

We have in stock 50 doors and among them, 30 units are wood and 20 are metal.
2019-06-22 6:20 pm
countable----object---piece of door---- a single thing of a particular type of door, often one that is part of a set of things Ikea etc.Each piece of door had her name printed usa on.
uncountable----connected part----units of door----several different parts that must be joined (joinery) together to make something called furniture.Some of the unit-pieces are missing in units of door into pieces.
2019-06-19 9:58 pm
日常會話:a door, two doors, three doors, ……
商業會話:a piece of door, two piece of doors, three piece of doors, ……;1 piece(pc.), 2 pieces(pcs.), 3 piece(pcs.), ……
# door (門)的買賣交易 上,總是需要「單位」吧,而「門、把手、門鎖、門框」常被分別賣賣的,所以,"door" 不適合用 "unit",而使用 "piece" 較適當吧。
2019-06-18 8:45 pm
Neither of the two.

You simply say:
a door
2019-06-18 6:29 pm
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