A proof of her weakness lay in the very utterance of what calm strength would not have taken the trouble to formulate.
她这种内心的说话，正好证明她冷静的决心已经遇到了问题，不能继续坚持了。
2
Because of this objective "proof" it very seldom occurs to a person that his trouble lies in his self-image or his own evaluation of himself.
由于有这个客观的“证明”，一个人就很难发觉他的问题正是出在他的自我心象或他对自己的评价上。
3
Aiming at the rain-proof problems existing on some important access covers of JL8 aircraft, this paper is to put forward the design improvement act ions based on trouble-locating and cause analysis.