Dark energy's true nature remains a mystery. Theoretical attempts to account for its observed properties have foundered.
暗能量的真实本性仍然是个未解之谜，从理论上解释观测到的性状已经失败了。
The best source of information for the moment is a theoretical model of where the cloud might be, taking into account the prevailing wind and other weather conditions.
考虑到盛行风与天气条件，目前最好的信息来源是尘用埃云的理论模型测定云层位置。
Either on account of theoretical or practical consideration, creditors' interests should be protected for their status as investors in the business.
无论理论上还是实践中，债权人作为企业的投资者，其利益都应受到保护。
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