truism

n statement that is obviouslytrue, esp one that does not say anything important, eg Nothing lasts for ever 不言而喻的道理（尤指无重要意义的, 如｀没有一成不变的事物＇）.

truce, truck, truck farm, trucker, trucking, truckle, truckle-bed, truculence, truculent, truculently, trudge, true, true north, true-blue, true-hearted, true-life, true-love, truely, truffle, trug, truly, trump, trump-card, trumpery, trumpet, truncate, truncated, truncheon, trundle, trundle-bed, trunk, trunk-call, trunk-road, truss, trust, trust company, trust fund, trusted, trustee, trusteeship,