For example, you can proceed to develop a vaccine, but you do not simultaneously need to decide whether to proceed with immunization, what its scope will be and who priority recipients will be.

例如，可能着手研制疫苗，但并不需要同时决定是否进行接种，接种范围有多大以及优先考虑哪些接种者。

youdao

For example, you can proceed to develop a vaccine, but you do not simultaneously need to decide whether to proceed with immunization, what its scope will be and who priority recipients will be.

例如，可能着手研制疫苗，但并不需要同时决定是否进行接种，接种范围有多大以及优先考虑哪些接种者。

youdao