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商业周期是一系列的高峰期和低谷期。用英语怎么说？

商业周期是一系列的高峰期和低谷期。

The business cycle is a series of peaks and troughs.

相关词汇
the business cycle is series of peaks and troughs

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

business

n. 商业，交易，生意，事务，业务，职业，行业；
例句
Many men still have difficulty accepting a woman as a business partner...
许多男性仍然无法接受女性商业伙伴。

cycle

n. 循环，周期，自行车，时代，一段时间，整套；vi. 周而复始，循环，骑自行车，轮转；vt. 运转，循环，使轮转；
例句
There was a cycle path running along this side of the wall, right at its base...
在墙的这边，沿着墙根有一条自行车道。

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

series

n. 系列，连续，串联，（广播或电视上题材或角色相同的）系列节目，级数；
例句
It's no accident that the boom in police series on TV coincided with the decline of the Western.
警匪剧在电视上盛行之时恰好是西部片衰退之际，这并非偶然。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

peaks

n. 山峰（ peak的名词复数 ），最高点，尖端，帽
例句
...the snowy peaks of the Bighorn Mountains.
比格霍恩山白雪皑皑的群峰

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

troughs

--
例句
The boat rolled heavily in the troughs between the waves.
船在波涛起伏的海浪中剧烈摇摆。
热门例句
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
He would be able to flash a roll of greenbacks too some day.
真的,他要在这些要人名流现在吃饭的地方吃饭.
I am a dark, self - destructive, happiness - doubting, unforgivable man.
我是个阴郁, 自我 毁灭, 怀疑快乐, 不可饶恕的人.
He lived on an invalidity pension which came as a weekly giro.
他靠每周领取的作为病残养老金的直接转账救济支票过日子。
All the antiques have been authenticated and recorded.
所有的古董都已经过鉴别并进行记录。
You're joking. Are you serious?...
你准是在开玩笑。你是认真的吗？
相关例句
to extort money from someone
向某人勒索金钱
My father won't consent to my leaving school.
我父亲不会同意让我辍学。
Lateness and carelessness are subjects for complaint.
迟到与粗心会引起埋怨。
They got across the bridge before dawn.
他们于破晓前过了那座桥。
There is a gap of five miles between towns.
镇与镇之间相隔五英里。
The difficulties seem to be built in.
困难好像是不可避免的。
hellish weather.
糟透的天气
Life was now drab compared with the more exciting life style overseas.
比起海外那种更富有刺激的生活方式来,现在的生活显得了无生气。
Basically I agree with your plan.
我基本上同意你的计划。
Their legal rights were being infringed.
他们的合法权利正受到侵犯。