Adding the cost of all the spare parts and the presents to the original price tag of the bike, and I could have purchased a decent, brand new bike - minus all the trouble.
祇是把脚踏车原价，再加上配件及送礼的开支，也够买一辆全新又不错的脚踏车，而且还可免这堆烦恼！
The cost of purchased parts in the engine is a very large proportion of total costs, thus improving the procurement management of the business activities become more important for any enterprise.
外购件成本在发动机总成本中占很大比重，因此提高采购管理水平对企业经营活动显得更为重要。
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