1·Having more choices does not necessarily mean more freedom because our life can sometimes be complicated by excessive choices.
有更多的选择不一定意味着有更多的自由，因为过多的选择有时候会让我们的生活变得复杂。
2·Problems can be complicated by having multiple causes.
问题是可以通过复杂的多种原因。
3·Succession politics could be complicated by high-level disputes over how to respond to the Americans.
而这个接替的政策关于如何回应美国的高端争论而显得更为复杂。
4·Photoaging can be complicated by many kinds of cutaneous diseases, and even results in cutaneous neoplasms.
皮肤光老化可并发多种皮肤病甚至与皮肤肿瘤的发生有病因学的联系。
5·Colds, however, can be complicated by bacterial infections. In such cases, antibiotic treatment may be indicated.
感冒，无论如何可并发细菌感染。在这种情况下，可以表明抗生素治疗。
6·Expansion will take years and could be complicated by the port's proximity to territorial waters disputed by Iran.
扩张会持续数年，并且会因港口临近与伊朗有争议的领海而变得复杂化。
7·Preparing food after an earthquake may be complicated by damage to your home and loss of electricity, gas, and water.
地震后，房屋被破坏和电力、燃气和供水中断，准备食物会变得更加复杂。
8·Treatment planning and managing the care of an elderly, frail patient can be complicated by a variety of modifying factors.
处理规划和管理的照顾老人，体弱病人可并发各种修改因素。
9·When strain is attributed to working conditions, the clinical course may be complicated by considerations of secondary gain.
当劳损是由于工作条件引起时，要考虑到再次劳损可使得病程复杂化。
10·Dodo, with his Portuguese background, holds an EU passport which should mean the proposed move will not be complicated by red tape.
多多有葡萄牙背景，拥有欧盟护照。这让他的转会方便了不少。