...In your case, if themagazine lasts seventy years, you can be sure that I willread it for that period of time (provided I live that long)... 
Various 「Astounding Stories, August, 1931」
... Your duty lies here, at least for as long as the war lasts...
Rafael Sabatini 「Captain Blood」
...Men fight first on one side, then on the other, being true to either side while the contract lasts...
Talbot Mundy 「King--of the Khyber Rifles」
...Plains like these can not be inhabited while the present system of cultivation lasts...
David Livingstone 「Missionary Travels and Researches in South Africa」
...I want to come to see you all before long, if nothing happens and life lasts...
William Still 「The Underground Railroad」
...Thecow has no imagination, and for that reason cannot think how it might havesaved the child if it had done this or that, and its grief, founded in itsphysical being, lasts but a very short time...
Leo Tolstoy 「The Kreutzer Sonata and Other Stories」
...So compactly isthe whole nest built, that it often lasts more than one year, and maysometimes serve the same pair two successive summers...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...
At sunrise, the birds scatter in small bands to pick up on the wingthe long continued meal, which lasts till late in the afternoon...
Neltje Blanchan 「Birds Every Child Should Know」
...As long as the world lasts probably therewill be the foolish, the gay, unthinking, and, in tastes, theridiculous...
Harrison Weir 「Our Cats and All About Them」
...The animal hasenough of that in its ever-jerking limbs; and however well it may grow tobe while the disease lasts, we may rest assured the dog suffering itsattack stands in need of repose...
Dinks, Mayhew, and Hutchinson 「The Dog」
...They hatch in about 24hours, and the larvæ or maggots in four or five days develop to the pupalstage, which lasts a week or 10 days...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The advantageof guinea grass is that it lasts through the hottest months of the year,which lucerne does not, but it requires a great deal of water...
Joshua A. Nunn 「Notes on Stable Management in India and the Colonies」
... They work likebeavers as long as daylight lasts, going to and from the fieldscarrying on each return trip a fat grub or a toothsome grasshopper...
Virginia Sharpe Patterson 「Dickey Downy」
便利！手書き漢字入力検索