She has four-wheel drive and some serious snow tires.

她那四轮驱动的汽车装了结实的雪地轮胎。

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Snow tires fine groove more in at least 1000 or more, there are about 200 common tyres.

雪地胎细小沟槽较多至少在1000个以上，普通胎大约有200个。

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Under low temperature snow tires will still adhere to a softer texture, while ordinary tires with temperature will harden.

低温条件下雪地轮胎仍然会坚持较软的质地，而普通胎随温度的降低会变硬。

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In slick conditions, snow tires make a huge difference, remaining softer in colder temperatures than typical summer tires.

FORBES: Test Drives

For four inches or less, your best option is a front-wheel-drive vehicle with snow tires, which will offer better fuel economy on milder days.

FORBES: Best Cars For Snow

Besides teaching better driving techniques, the school provides a vivid experience of how important snow tires are, an experience almost impossible to have anywhere else.

FORBES: Make Winter Driving Fun And Safe: The Bridgestone Winter Driving School