这个选什么？

cqshicang

Connections ... so that you will reach your final destination as quickly as possible.
1。are timed
7 ]& w. [8 e- [( [ 2。will balance
% p1 m) t5 [5 c3 q: i3 ]+ B 3。have inter-coordinated
# `$ i  x' i" H) ^" ~ 4。 be well-timed