采用班轮运输货物，其运费应包括()。

____shipment, please amend the L/C to allow transshipment.

设X1，X2，,，Xn，,是独立同分布的随机变量序列，E(Xn)=μ，D(Xn)=σ2，n=1,2，,,则=_________.

We take the liberty____writing to you with a hope to get your best offers for Chinese bicycles.

我国()年正式成为《保护工业产权巴黎公约》的成员国。