His grades at public schools in Manhattan's Upper West Side were mostly Bs, but arithmetic baffled him.

在曼哈顿上西区的公共学校里，他的成绩大多都是B，好在算术还不赖。

youdao

By the end of 1999, practically all schools had at least dial up connection (mostly small country side schools).

截至到1999年年底时候为止，几乎所有的学校都至少能够提供拨号连接(绝大多数是乡村学校)。

youdao

By the end of 1999, practically all schools had at least dial up connection (mostly small country side schools).

截至到1999年年底时候为止，几乎所有的学校都至少能够提供拨号连接(绝大多数是乡村学校)。

youdao