The total fertility rate is contentious.

对于总生育率，目前仍存有争议。

A fertility rate of 1.8 is still below replacement.

出生率1.8还是低于更替水平。

On Chinese figures, the fertility rate has fallen to 1.8.

据中国方面的数字显示总和生育率已降至1.8。

The fertility rate in the EU is 1.47-well below replacement.

欧盟的生育率为1.47——刚好低于替代出生率。

The fertility rate is a hypothetical, almost conjectural number.

生育率是一种假设，基本上是推测的数字，和出生率不同。