在用英語怎么表達

　　The standard of this year's applications is very low.

　　今年的申請標準很低。

　　The new model will be in production by the end of the year.

　　新型號將于年底投產。

　　There have been many changes in recent years.

　　近幾年發生了許多變化。

　　The number of new students decreased from 210 to 160 this year.

　　今年新生人數從210減少到160。

　　The new tax will be phased in over two years.

　　新稅種將在兩年內逐步實行。