超出…的部分
the part over (a threshold)
Structure
超出／超过 门槛 的部分 ， （按…）计算／收费／纳税
What it means
The part over a threshold: only the amount above the line is treated differently, and what lies below keeps the old rate.
How it is built
超出／超过 + threshold + 的部分，（按…）计算／收费／纳税: 行李超出20公斤的部分，每公斤收费50元 (Every kilo of baggage over 20 kilos is charged at 50 yuan).
When to use it
Tax tables, price lists and tariffs. 超过 is the general word and the one tax law uses (超过 A 至 B 的部分 for a band); 超出 stresses going beyond a set limit (超出预算). In speech: 多出来的那部分.
Watch out
Without 的部分 the whole amount seems covered, the classic “threshold” misunderstanding: ✗ 停车超过两小时每小时收5元 ✓ 超过两小时的部分每小时收5元.
Examples
每月收入超出5000元的部分，再减去五险一金和专项附加扣除，剩下的才需要纳税。
From the part of monthly income above 5,000 yuan you take away the five insurances and one fund and the special deductions, and only what is left is taxed.
行李超出20公斤的部分，每公斤收费50元。
Every kilo of baggage over 20 kilos is charged at 50 yuan.
停车两小时以内免费，超过两小时的部分每小时收5元。
Parking is free for up to two hours, and every hour after that costs 5 yuan.
Learn this in Lesson 201 · HSK 7–9: 读懂工资条 (Reading your payslip)
A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.
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