concentrate on造句
They will
concentrate on teaching the basics of reading, writing and arithmetic.
他們將集中教授閱讀、寫作和算術基礎知識。
They should
concentrate on rejuvenating the existing vegetation, like grass and shrubs.
他們應該側重于修整現有的綠化植被，比如草和灌木。
The group plans to
concentrate on six core businesses.
該集團打算主營6種業務。