Tell-tale wisps of grey smoke rise above the tree cover to point the way.
屡屡的灰烟飘荡在上空指向工厂的方向。
2
If you normally smoke after meals, make it a point to do something else after you eat, like read or call a friend.
如果你通常饭后吸烟，那就特别注意在饭后做一些其他的事，比如说读书或者跟朋友打电话。
3
This makes for more comfortable shooting conditions, and from the right vantage point, the reflective quality of the smoke can add an element of interest to the shot.