thenbylunchtimetheywouldallbesoldbynowhisrestaurantouttobefullofpeople中的两个by是什么意思

Question

then by lunchtime they would all be sold by now his restaurant out to be full of people
中的两个by是什么意思

Answer 1

介词
在…时候；到…之前；不迟于
If something happens by a particular time,it happens at or before that time.
例句：
By eight o'clock he had arrived at my hotel...\x05
到8点时,他已经到达我住的宾馆了.
We all knew by then that the affair was practically over.\x05
到那时,我们都知道事情实际上已经结束了.