And this is the Inst beautiful newborn baby in the world.

　　這是世界上最美麗的新生嬰兒。

　　With reference to your letter of the6th inst, we are glad to inform you that there has been a great demand for the articles.

　　關于本月6日的來信，我開心地奉告，該商品的需求量甚年夜。

　　Basically, the methods include imposing strong opposite airflow to prevent smoke spreading, applying pressure differentials aga inst a physical barrier, smoke dilution and extraction.

　　基本上，方法包括強加逆向流來阻止煙氣蔓延，采用壓差來對付物理障礙物，煙氣稀釋和抽取。