新例句确保了所有指定单词（`engineering`, `medicine`, `gravitate`）均以其原形出现，同时完整保留了原句的核心语义、正式风格和近似长度。

，您好。根据您的要求，我已对原句进行了分析和重写。

金山词霸

A miracle is something that seems impossible but happens anyway.

奇迹就是看似不可能，却发生了。

电影《黑衣人3》

Generosity is its own form of power.

别低估了慷慨的力量。

美剧《纸牌屋》

When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.

当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。

Good luck is when an opportunity comes along and you're prepared for it.

好运就是当机会来临时，你早已做好了准备。

金山词霸 每日一句

The difference between who you are and who you want to be is what you do.

你是什么样的人和你想成为什么样的之间的差距就是，你做了什么。

金山词霸 每日一句

She rushed directly to Simon's apartment and knocked gently on the door.

她迅速直奔西蒙的房间，轻轻地敲了敲门。

金山词霸

They kept their optimism despite the crushing defeat they endured.

尽管遭遇了惨痛的失败，他们依然保持着乐观。

金山词霸

Staring about accidentally became my gesture at that exact instant.

恰好在那一瞬间，四处张望无意间变成了我的动作。

金山词霸

I can't carry any more of that heavy stuff.

我再也拿不动那些沉重的东西了。

金山词霸

The shifting worldwide scenario imposes tremendous pressure on the corporation.

全球形势的转变给这家公司施加了巨大压力。

金山词霸

Somehow Karin managed to overcome the obstacles in her profession.

卡琳设法克服了她职业中的障碍。

金山词霸

The house appears deserted, with a hushed and muted atmosphere that seems to suggest it has been left empty.

这房子看起来荒废了，带着一种寂静无声、压抑的氛围，似乎暗示着它已被遗弃。

金山词霸

I obtained the authentic documents related to the establishment of the organization.

我获取了有关该组织成立的可靠文件。

金山词霸

The council's recent intervention in the dispute drew considerable criticism.

委员会最近介入争端的行为招致了广泛批评。

金山词霸