...How about an occasional short story?I'm sure your readers will approve... 
Various 「Astounding Stories, August, 1931」
...des Amis called Andre-Louis to one of the occasional lessons which he still received...
Rafael Sabatini 「Scaramouche」
...Then we had flown low, and beennicely dusted by the Hun Archies, not to speak of an occasional machine-gun...
John Buchan 「Mr. Standfast」
... His only alternative was to go aheadof his pack and waylay an occasional warrior whom he found alone in thejungle...
Edgar Rice Burroughs 「The Beasts of Tarzan」
... "Clang! cling! clang!" Harvey kept it up, varied with occasional rub-a-dubs, for another half-hour...
Rudyard Kipling 「"Captains Courageous"」
...The jungle moondappled an occasional clearing which the great cat was always carefulto avoid...
Edgar Rice Burroughs 「Tarzan the Terrible」
...They fought almost in silenceexcept for an occasional low growl as one or the other acknowledgedthus some new hurt...
Edgar Rice Burroughs 「Tarzan the Terrible」
...The corridor which skirted it all round was ill-lighted save by an occasional oil-lamp fixed in the wall...
Baroness Orczy 「El Dorado」
... In spite of risings here andthere, and occasional rows, the Kaffirs have been quiet for the betterpart of half a century...
John Buchan 「Prester John」
... It was not a long journey, nor a very slow one, for there was nothing to block the way except occasional men with flags, who guarded culverts and little bridges...
Talbot Mundy 「King--of the Khyber Rifles」
... The climate of Rhodesia in the month of June is perfection; rain is unknown, except as the accompaniment of occasional thunderstorms; and it is never too hot to be pleasant...
Lady Sarah Wilson 「South African Memories」
...The latter were farther from the sea than they should have been! These occasional halts greatly refreshed us for more of that endless road...
Stewart Edward White 「African Camp Fires」
...We were possessed of a map of sorts, consisting mostly of wide blank spaces, with an occasional tentative mountain, or the probable course of streams marked thereon...
Stewart Edward White 「African Camp Fires」
...For four hours we descended the valley through high thorn scrub or the occasional grassy openings...
Stewart Edward White 「African Camp Fires」
...On these fed a few gazelle of both sorts, and an occasional zebra or so...
Stewart Edward White 「African Camp Fires」
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