目的：探讨偶发性肾细胞癌的治疗方法。

Objective: To discuss the treatment for incidental renal cell carcinoma.

退黑激素可以帮助改善偶发性失眠， 调整时差，或改善睡眠品质。

Melatonin is an excellent choice for people experiencing occasional sleeplessness, those experiencing jet lag, or anyone who just wishes to improve the quality of their sleep.

但人类兽性冲动的自我表达方式是一种强烈的文化性偶发性事件。

Yet how our animal urges express themselves is a strongly cultural and contingent affair.

抽象装饰图案的表现形式可以是高度理性化的，偶发性的，也可以是肌理的。

The expressions of abstract decorative designs include extreme rational, accidental or textural techniques.

加上他的超重问题和呼吸急促，哈丁也变得容易劳累并伴有偶发性的胸痛。

Combined with his weight problem and shortness of breath, Harding also became easily tired and had occasional chest pains.