Fine bone china is eminently practical, since it is strong and durable.

精细骨瓷是非同一般地实用，因为它坚固耐用。

《柯林斯英汉双解大词典》

This model of typewriter is efficient and durable, economical and practical for middle school students.

这个型号的打字机对中学生来说，高效、耐用、经济、实惠。

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You are well aware that this type of typewriter is portable and durable, economical and practical for high school students.

你们一定知道，这种打字机轻便高效，经久耐用又经济实惠，适合高中学生使用。

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In addition to being incredibly strong and durable, the magnesium casing can easily be recycled - making it both practical and environmentally-friendly.

ENGADGET: Freecom gets slim with Mobile Drive Mg portable hard drive, supports USB 3.0 and FireWire 800