Even with very conservative estimates, it should still be swarming with life–even intelligent life.

即使很保守的估计，它应该还是挤满了生命——甚至是智能生命。

Current conservative estimates place the African lion population at 23,000, Kenya wrote in its proposal.

肯尼亚在其倡议中写道，目前保守预测非洲狮的数量为23，000只。

Current conservative estimates place the African lion population at 23, 000, Kenya wrote in its proposal.

肯尼亚在其倡议中写道,目前保守预测非洲狮的数量为23, 000只.

Therefore, financial managers demanded a higher rate of return from risky projects, or they based their decisions on conservative estimates of the cash flows.

所以，财务管理者们就对有风险的项目要求一个更高的回报率，或者在对现金流的保守估计的基础上做出决策。