If you step anywhere other than your big toe, you'll quickly feel a difference in friction andhave to make the necessary adjustment.

这样一旦用除大脚趾以外的任何部位踩点，你都会迅速感觉到摩擦力的不同然后要做出调整。

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President and CEO Sam Duncan said in a statement that it was a difficult decision for the company to make, but a necessary step toward rebuilding the business.

NPR: Supervalu Eliminating About 1,100 Positions

If the aim is genuinely to make a fairer society, not to merely impose benevolent condescension, it's a necessary step.

CNN: Sexualized Femen protest 'naive and foolish at best'

Regardless of whether people fill out Polst forms or advance directives, or both, a coalition of health-care groups says it is important for people to make some decisions about end of life wishes and to choose a surrogate who understands their wishes to step in if necessary.

WSJ: New Efforts to Simplify End-of-Life-Care Wishes