1. Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
    虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑--即我们常说的PC机--所代替了。

2. The official title of the person is ´Justiteombudsman´, but the Swedes commonly refer to him as the ´J. O. ´ or ´Ombudsman´.
    此人官衔为"司法特派员"，但瑞典人一般管他叫"J.O."，即"司法特派员"。

3. His name is John , but he is commonly known as Jack.
    他叫约翰，可是人们通常叫他杰克。

4. Most animals we commonly observe do in fact age as we do, if given the chance to live long enough;
    我们通常看到的大多数动物，即使能让它们活得足够长久的话，也会像我们一样衰老的。

5. Custom has not commonly been regarded as a subject of any great moment.
    风俗一般未被认为是什么重要的课题。