Therefore, many countries have introduced strict and comprehensive toy safety standards to control toy quality.

因此为了监管玩具的质量，各国建立了严格完备的玩具安全标准。

youdao

Therefore, many countries have introduced strict and comprehensive toy safety standards to control toy quality.

因此为了监管玩具的质量，各国建立了严格完备的玩具安全标准。

youdao