The problem is difficult because BPA is used for most types of plastic foil in which you wrap food. Thus, a direct contact with the body is established and it occurs on a daily basis.

更困难的是，BPA是最常用在保鲜膜中的原料，人们每天都不可避免的会有直接接触。

youdao

The problem is difficult because BPA is used for most types of plastic foil in which you wrap food. Thus, a direct contact with the body is established and it occurs on a daily basis.

更困难的是，BPA是最常用在保鲜膜中的原料，人们每天都不可避免的会有直接接触。

youdao