71. We are engaged in the import and export of machinery.
我们经营机械进出口业务。
72. We are now doing a large import business in fruits from Southeast Asia.
我们的业务是大批量进品东南亚的果品。
73. We specialize in handling clocks and watches of all sorts.
我们专门经营各种类型的钟表。
74. We also take on a variety of silk piece goods.
我们也经营各种绸缎的生意。
75. Our activities cover a wide range of commodities， such as ties， belts and shirts.
我们经营的商品范围多样，有领带、皮带、衬衫等。