An alternative theory is that Beijing's goal is simply to block a merger.

一个不同的理论是北京的目标仅仅是阻止一个并购。

However, the new study poses an alternative theory, that a build-up of sulphur in the half million years before the so-called Ocean Anoxic Event that occurred 94.5

然而，这项新的研究推出的另一种理论指出，其责任在于发生在9450万年以前所谓海洋缺氧事件之前五十万年间的硫磺的累积。

An alternative theory is that cats above this height simply die more often or have much more serious injuries and so aren’t brought into the veterinarian clinic at all. This seems likely enough.

另一个理论是这样讲的，从七层以上高度降落的家猫死掉的更多或者伤得太重根本没可能带回诊所，这也是非常可能的。