在设计的时候在要记得，计划好钻孔的位置，如何从铝板料，聚乙烯或谷类食品盒上切割零件，还要平衡重量。
Remember to plan where the screws go, how you will cut your parts out of sheets of aluminum, HDPE, or cereal boxes, and to balance the weight.
如果这样很难彻底了解，那么请设想一下这套装置已有的一种功能——我们说如果一个使用者到食品店买东西，他从架子上挑了一盒谷类食品。
If that's tough to fathom, consider one of the features already built into the device. Say the wearer goes to the grocery store and picks up a box of cereal from the shelf.
如果这样很难彻底了解，那么请设想一下这套装置已有的一种功能——我们说如果一个使用者到食品店买东西，他从架子上挑了一盒谷类食品。
If that's tough to fathom, consider one of the features already built into the device. Say the wearer goes to the grocery store and picks up a box of cereal from the shelf.
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