And the lessons are complex, but one of theanswers is that after you've fulfilled your material needs, one of the ways toelevate your happiness level is to connect with some cause larger thanyourself.

这堂课看起来很复杂，但却有一个答案，那就是当你满足了你物质层面 的需求，有一个方法让你能够提升幸福感：联系那些比你自己更广阔的东西，行为，思想。

youdao

This forgetting is evidently a complex phenomenon; for Strumpell attributes it not to a single cause, but to quite a number of causes.

梦的遗忘很明显是一个复杂现象，斯顿培尔认为其诱因并非单一，而是多重的。

youdao

As noted before, carcinogenesis is caused by a complex combination of several factors, including many aspects of culture, lifestyle and environment; not all foods will cause carcinogenesis.

大家都知道，癌变的发生是一个多因素复杂的结合，包括多元的饮食文化，生活方式和环境。

youdao

I do not believe we can come to simple conclusions when it comes to the cause and effects of such a complex disorder as autism."

VOA: standard.2010.08.09

The report is to be applauded for its clarity and thoroughness, and for recognising the complex and systemic nature of the cause.

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The Plymouth Hospitals Trust's medical director, Dr Alex Mayor, said some cancers, such as lung cancers and some urology cases, such as prostate cancer, required a complex series of diagnostic procedures and this could cause delays.

BBC: Plymouth's Derriford Hospital misses cancer targets

It is widely agreed that the root and cause of honour killing is a complex, historical phenomenon which has no justification in Islam's holy book, the Koran, and which has also been known to occur elsewhere in the world and among other religions.

BBC: Jordan's dilemma over 'honour killings'