附加的费用(有些相当昂贵)，包括许可证，学习，培训等等。
Additional cost (some are quite pricy) including licensing, learning curve, etc.
如没有ITW书面许可，价格是完整的并且没有附加的费用。
Prices are complete and no additional charges may be added without ITW's written consent.
亚硫酸钠需回收和废置成为生产过程附加的费用，增加了生产酚的成本。
Its recovery and disposal will therefore be an additional charge on the process, thus increasing the cost of the phenol.
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