Plus, the weekly grind of chauffeuring kids all over the place and getting to one class, game, or practice after another can be downright tiresome and stressful for parents.

加之，对父母而言，每周接送这地方的孩子们(包括自己的孩子)陆续去某一课程班上课，做游戏或者锻炼等琐碎苦差完全会令家长感到厌烦和有压力。

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Glaciers slowly grind their way over mountains and plains, moving immense boulders and carving out fjords.

冰川会在它们移动的路上慢慢地磨损山地、平原、漂浮着的巨石，并且还会慢慢“雕刻”出海湾。

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Mixed earnings over the past few days had helped grind a market rally to a halt after stocks were lifted earlier this month by upbeat corporate profits and outlooks.

过去几个交易日来，企业财报喜忧参半，抑制了股市上涨势头，本月以来企业财报利润超过预期，纷纷上调收益预期，有助于股市持续走高。

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But the Yankees, with their never-ending quest to win yesterday, have found themselves saddled with a long-in-the-tooth roster that is highly unlikely to hold up over the grind of a 162-game schedule.

WSJ: Yankees putting on Old-Timer's Day all season long

More ambitious riders grind over the same route (which also includes a 500m climb over Tawonga Gap) in a single day during what is regarded as Australia's toughest cycling event, the annual 3 Peaks Challenge held in March.

BBC: Exploring Australia��s High Country on two wheels

Given the enormous debt as a backdrop, the most recent jobs report, where only 88, 000 new jobs were added, and the seemingly unending political grind over the issue of the role of government, a robust economy may not be a near-term event.

FORBES: Federal Reserve Beige Book: The State Of The U.S. Economy