as a rule造句

As a rule I don't go to the office on Saturday morning.
一般说来,星期六上午我不到办公室.

I go to work by bicycle as a rule.
平常我骑自行车上班.

As a rule, however, such attacks have been aimed at causing damage rather than taking life.
然而，通常此类袭击只是为了造成破坏，并非要人性命。