By expanding coverage, we can actually prevent many of these diseases.

通过扩大覆盖面，实际上我们就可使许多这类疾病得到预防。

youdao

By expanding coverage, we can actually prevent many of these diseases.

通过扩大覆盖面，实际上我们就可使许多这类疾病得到预防。

youdao