Sga
abbr. substantial gainful activity 執(zhí)著的惟利是圖的行為
??? 情景例句
How's your health?
你的身體怎么樣？
Out of sight, out of mind.
久違情疏。眼不見，心不煩？
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
歷史學家迄今認為日歷是隨農(nóng)業(yè)的問世而出現(xiàn)的，因為當時人們面臨著了解四季的實際需要，