If I choose expedited shipping, what is the approximate cost?（如果选择加急运输，费用大概是多少？）

The cost of expedited shipping can vary depending on the shipping method, shipping address, and weight of the product. In general, choosing an international expedited courier service (e.g. DHL Expedited) can cost 2 - 3 times more than regular shipping costs. The exact expedited shipping cost can be obtained by consulting our customer service staff when you place your order, and they will provide you with an accurate quote.（加急运输的费用会根据运输方式、收货地址和产品重量等因素有所不同。一般来说，选择国际加急快递服务（如 DHL 加急件），费用可能是普通运输费用的 2 - 3 倍。具体的加急运输费用可以在您下单时咨询我们的客服人员，他们会为您提供准确的报价。）