Well , that 's what the tool assumes .

好了，这就是该工具所假设的。

Optimistic locking assumes a low likelihood of record contention .

乐观锁假定记录竞争的可能性比较低。

That assumes the deal happens .

这些假设的前提谈判成功。

Macroeconomics assumes that wages are inflexible downwards .

宏观经济学假设，工资不能向下调整。

The bank also assumes that countries differ in how well they exploit this potential .

银行同样也假设这些国家在开发这些潜能时的表现不同。