特别急，麻烦高手帮忙翻译成英文吧，谢谢

这个就是啦!!~Levels as the economy, consumer demand for increasingly diversified and individualized. The introduction of a new product, first of all must be aware of the consumer, agree to accept and trust, this process requires both time and the need for costly. The use of original brand new products, the use of travel and the reputation of the brand awareness of the impact, to increase consumer acceptance of new products, the market quickly. Therefore, the brand extension strategy to become the first choice for the modern enterprise. However, the brand extension is a double-edged sword, use improper business will give enormous losses. In the basis of previous studies, this article first brand extension of the definition of the narrow and broad sense, summarized, followed by a brand extension on the three major strategies: product line extension strategy, the main vice brand strategy, brand licensing strategy. Then, on the brand extension could bring the risk to the enterprise, and the