In order for the altruist not to be exploited by non-reciprocaters, it would be expected that reciprocal altruism can only exist in the co-presence of mechanisms to identify and punish "cheaters".

為了使利他主義者不被非互惠者們利用，可以預(yù)期丝袜欧洲另类自拍视频在线观看免费，互惠利他主義只能在查明和懲罰"騙子"的機(jī)制都存在的情況下發(fā)生在线黄色网站视频。

As an au pair you get friends for life and my friends and I did so much

作為一個(gè)互惠生你可以交到一輩子的朋友并且彼此相處的開心一级黄色网站直接看。

We thirst for building long-term friendly cooperation with traders both domestic and overseas to gain mutual bene fits.

我們渴望與國內(nèi)外客商建立長期的友好合作關(guān)系，互惠互利精品一区二区三区换着人妻玩，在激烈的市場競爭中開拓前進(jìn)8x福利视频。

Deep reason of medical development, perfect medical process,mutually benefice and profit of doctor-patient is goal of doctor-patient communication.

它的目的是：醫(yī)學(xué)發(fā)展的深層動(dòng)因欧美AAAAA级黃片；完善醫(yī)療過程黄色视频在线分类视频；醫(yī)患互惠雙贏。

Nor need we here examine the effect of import quotas, exchange controls, bilateralism and other means of reducing, diverting or preventing international trade.

我們無需在這里探討進(jìn)口配額午夜福利性爱网站、外匯管制国产影院免费看、雙邊互惠，以及其他減低福利视频观看、轉(zhuǎn)移或阻礙進(jìn)行國際貿(mào)易的手段的影響。

The income or capital gain made by a mutual fund that is paid to the fund's investors.

分配 互惠基金的收入或資本利得支付給基金投資人的動(dòng)作稱為分配蜜桃无码成人影片在线播放视频网站。

Thirdly, careerism and norm of reciprocity have different effects on psychological contracts.

3職業(yè)取向和互惠規(guī)范對國有企業(yè)和民營企業(yè)員工的心理契約有不同的影響模式免费人成视频在线看片品尚网。

We hope to establish long term and closed cooperation relationship with our customers and grow up together based on mutual benefit and win-win model.

我們希望建立長期合作關(guān)系，并關(guān)閉與客戶一起成長的基礎(chǔ)上互惠互利日韩一级a欧美水蜜桃，雙贏的模式四级黄色电影在线播放。

In this paper, a non-autonomous predator-prey system with two commensal predators and one prey is studied.

研究了非自治的捕食者－食餌模型国产最爽的乱婬视频a群体。該系統(tǒng)是兩個(gè)具有互惠關(guān)系的捕食者種群捕食一個(gè)食餌種群。

F.P. I was in no way involved in — or responsible for — the credit default swap transactions that have hamstrung A.I.G.

我為互惠信貸交易對集團(tuán)造成的信用危機(jī)感到困窘和責(zé)任重大h福利视频网站。