简述关税征税对象中货物和物品的含义。
关于婴幼儿的依恋问题,学者们做了很多研究,其中安斯沃斯等人提出婴儿的依恋模式包括( )
Choose the closest paraphrased version after the following sentence or the italicized part.
It may be that in time we shall become used to change as in our older wisdom we had become used to the unch