显然，诸如此类情况下元数据只能存在于某种附属的或者包装用的文档中。
Obviously, in cases like these the metadata has to exist in some attached or wrapping document.
我方希望啤酒每6瓶装一盒，包装用的盒子必须美观、坚固并便于携带。
We hope that the beer is packed six bottles in a box which should be beautiful, durable and easy to carry.
Cereplast公司制造用于生产杯子、塑料盖和包装用的树脂，能在三个月内自然生物降解，其年销售额达五百万美元。
With annual sales of five million dollars, Cereplast manufactures resins that biodegrade naturally within three months for use in products including cups, plastic LIDS and packaging.
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