引力算是负能量，当然星星的质量毫无疑问是正的。
Gravity accounts for negative energy, whereas the mass of a star is undeniably positive.
对主管专业的施工质量负直接管理责任。
To competent professional quality of the construction of the direct management responsibility for.
对主管专业的施工质量负直接管理责任。
To competent professional quality of the construction of the direct management responsibility for.
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