1. Chopsticks can be made of a variety of materials, including bamboo, wood, lacquer, jade, ivory, plastic, aluminum, silver, and gold.
筷子所用的材料的种类则各有不同，所选材料有竹子、木材、漆器、玉石、象牙、塑料、铝、银、以及金。
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2. Chopsticks, the simplest and most effective eating tool, can be made of a variety of materials, such as bamboo, wood, lacquer, jade, ivory, plastic, aluminum, silver and gold.
3. Chopsticks, which are roughly uniform in size throughout China, can be made of a variety of materials, including bamboo, wood, lacquer, jade, ivory, plastic, aluminum, silver and gold.
