When the trades which generally afford constant employment, happen in a particular place not to do so, the wages of the workmen always rise a good deal above their ordinary proportion to those of common labour.

当通常提供持续就业的行业在某个特定地方碰巧不能提供持续就业时，工人的工资总是比他们与普通劳动的工资的正常比例高很多。

If the returns are made twice or thrice in the year, it can keep in constant employment a quantity of productive labour, equal to what two or three thousand pounds can maintain there for a year.

如果每年有两次或三次的回报，它可以保持一定数量的生产性劳动的持续就业，这相当于两三千英镑可以在那里维持一年的量。

The demand for philosophy and rhetoric was, for a long time, so small, that the first professed teachers of either could not find constant employment in any one city, but were obliged to travel about from place to place.

对哲学和修辞学的需求如此之小， 以致于其中第一批自称教师的人无法在任何一个城市找到稳定的工作， 而不得不四处奔波。