Around this time and towards the 1900s, the curriculum became secularized and broadened to include business and law.

大约在这个时候，接近20世纪，课程变得世俗化，并扩大到包括商业和法律。

The trails broadened into roads.

小径变宽成大路了。

Her smile broadened.

她笑得更加灿烂了。

They have broadened out the avenue considerably.

他们把这条马路加宽了不少。

The advertisements of costume in Paris broadened his outlook.

巴黎的服装广告使他大开眼界。

His ideas have broadened out.

他的思想变宽广了。