Our comrades must develop a good nose for this purpose; they should take a sniff at everything and distinguish the good from the bad before they decide whether to welcome it or boycott it.

• 为此目的，就要同志们提高嗅觉，就要同志们对于任何东西都用鼻子嗅一嗅，鉴别其好坏，然后才决定欢迎它，或者抵制它。